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No other university does as much for so many as the University of California. For almost 150 years, the University of California has educated the brightest minds and helped California become a beacon of innovation. Our campuses routinely are ranked among the best in the world. But our reach extends beyond campus borders. Our people connect the dots, exchange ideas, make advancements and unlock the secrets and mysteries of the universe every day. They engage local governments and underserved schools, save lives and improve health, protect the environment and push the boundaries of space. And it adds up to an immense direct impact on the economy. UC supports 430,000 jobs and contributes over $46 billion to the California economy each year.

University of California A.I CyberSecurity Scoring

UC

Company Details

Linkedin ID:

university-of-california

Employees number:

154,345

Number of followers:

92,794

NAICS:

6113

Industry Type:

Higher Education

Homepage:

universityofcalifornia.edu

IP Addresses:

0

Company ID:

UNI_4638326

Scan Status:

In-progress

AI scoreUC Risk Score (AI oriented)

Between 800 and 849

https://images.rankiteo.com/companyimages/university-of-california.jpeg
UC Higher Education
Updated:
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globalscoreUC Global Score (TPRM)

XXXX

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UC Higher Education
  • Instant access to detailed risk factors
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UC Company CyberSecurity News & History

Past Incidents
18
Attack Types
3
EntityTypeSeverityImpactSeenBlog DetailsIncident DetailsView
UC Irvine Medical CenterBreach6036/2011
Rankiteo Explanation :
Attack with significant impact with internal employee data leaks

Description: In June 2015, the California Office of the Attorney General disclosed a data breach at the **University of California Irvine Medical Center**, where an employee improperly accessed patient records over an extended period—from **June 2011 to March 2015**. The unauthorized access exposed **personal health information (PHI)** of an **unknown number of patients**, though investigations found **no evidence of sensitive data being stolen or misused**. The breach stemmed from internal misconduct, highlighting vulnerabilities in **employee access controls and monitoring protocols**. While the exposed data included patient details, the lack of confirmed theft or external exploitation mitigated some risks. However, the prolonged duration of the breach (nearly **four years**) raised concerns about **compliance with healthcare privacy regulations (e.g., HIPAA)** and the potential for **reputational damage** due to the mishandling of confidential medical records. The incident underscored the need for stricter **audit trails, access restrictions, and employee training** to prevent similar internal breaches in healthcare institutions.

University of California, IrvineBreach8542/2014
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The University of California, Irvine experienced a data breach reported on **May 14, 2014**, involving unauthorized access to its systems. The breach occurred due to computers being infected with a **keystroke logger** between **February 14 and March 27, 2014**, which potentially compromised **personal and unencrypted medical data** of individuals. The exact number of affected individuals remains **unknown**, raising concerns about the exposure of sensitive health information. The attack method suggests a targeted intrusion aimed at harvesting confidential data, likely through malicious software designed to capture keystrokes—including login credentials, medical records, or other personally identifiable information (PII). The breach underscores vulnerabilities in the university’s cybersecurity defenses, particularly in protecting high-risk data like medical records, which are subject to strict regulatory protections (e.g., HIPAA). The incident highlights the risks of **unauthorized data access** in academic institutions handling sensitive information, with potential long-term repercussions for trust, legal compliance, and individual privacy.

UCI HealthBreach90403/2015
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: An employee of UC Irvine Medical Center unethically viewed thousands of patient records over a four-year period. The incident compromised the personal health information including names, dates of birth, gender, medical record numbers, height, weight, medical center account numbers, allergy information, home address, medical documentation, diagnoses, test orders and results, of 4,859 patients . The center investigated the incident with the help of external security experts and notifies the affected patients.

UCLARansomware10056/2023
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: The five new MOVEit assaults victims revealed on the dark web leak site for the Clop ransomware organization include the industrial behemoths Siemens Energy, Schneider Electric, werum.com, UCLA (http://ucla.edu), Abbie (http://abbvie.com), and Abbie. Worldwide, vital national infrastructures use Industrial Control Systems (ICS) from Siemens Energy and Schneider Electric. Threat actors claim they were able to compromise 100 different firms utilizing the most recently revealed MOVEit Transfer vulnerability CVE-2023-34362. The US government offers rewards for information that leads to the arrest, indictment, or location of dangerous actors.

UCLA HealthBreach8049/2015
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: UCLA Health experienced a data breach incident in September 2015 after one of its laptop got stolen. The stolen laptop contained the personal information of approximately 1,242 patient of the organization including names and medical record numbers. UCLA Health notified all affected patient and retraining those involved with the incident.

UCLA HealthData Leak60406/2022
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: UCLA health experienced a data breach incident that 94,000 patients personal information and health data to third parties. UCLA Health promptly disabled the use of the tools and launched an investigation. The compromised information includes patients’ URL/website addresses, provider names, specialty, ad campaign names, page views, IP addresses, third-party cookies, and hashed values of certain fields on the appointment request form, such as patient names, email addresses, mailing addresses, phone numbers, and genders. UCLA Health website and the UCLA Health mobile app were affected. The UCLA Health patient portal was not impacted.

University of CaliforniaBreach60312/2020
Rankiteo Explanation :
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported a data breach at the University of California on May 13, 2021. The breach occurred on December 24, 2020, when an unauthorized third party accessed files containing personal information of UC community members, including Social Security numbers and financial information. Approximately 100 organizations were similarly attacked, but the number of affected individuals specific to UC is unknown.

UC San Diego Health Hillcrest - Hillcrest Medical CenterBreach6031/2024
Rankiteo Explanation :
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported that UC San Diego Health experienced a data breach due to a phishing attack, which occurred between January 9 and January 22, 2024. The breach involved unauthorized access to employee email accounts, potentially exposing personal information such as names and Social Security numbers, affecting an unspecified number of individuals. The breach was reported on March 8, 2024.

UC San Diego HealthBreach60407/2021
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: UC San Diego Health suffered from a data breach that exposed number of patients, employees and others connected to UC San Diego Health potentially. It was found that the breach occurred via unauthorized access to some employee email accounts, but it did not affect the continuity of care for their patients. A UCSD Health spokesperson said Tuesday that ransomware, software often used to extort money from an organization, was not involved. The compromised information includes full names, addresses, dates of birth, email addresses, fax numbers, claims information including dates and costs of care received, laboratory results, medical diagnoses and conditions, medical record numbers, prescription information, treatment information, Social Security numbers, government identification numbers, financial account numbers, student identification numbers, usernames and passwords. They notified people, and the letters each person receives precisely reflect the information that would have been impacted for that particular person.

UC San Diego HealthBreach60312/2020
Rankiteo Explanation :
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported that UC San Diego Health experienced a data breach involving unauthorized access to employee email accounts. The incident occurred between December 2, 2020, and April 8, 2021, affecting personal information including Social Security numbers and medical details. The breach was reported on September 9, 2021.

UC San Diego School of MedicineBreach6038/2016
Rankiteo Explanation :
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported that UC San Diego School of Medicine experienced a data breach on August 3, 2016. The breach involved personal information including names and social security numbers of trainees. The incident was reported on September 22, 2016.

UC San Diego HealthBreach85411/2017
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The California Office of the Attorney General reported a data breach at UC San Diego Health that occurred between November 20, 2017, and December 9, 2017, with notification issued on June 14, 2019. An unauthorized third party accessed a medical transcription platform, potentially compromising patient data such as names, dates of birth, and clinical information, but did not access Social Security numbers or financial account information. The number of individuals affected is currently unknown.

UC San Diego HealthBreach8549/2022
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: UC San Diego Health suffered a data breach via its third-party vendor, Solv Health, between **September 13 and December 22, 2022**. The incident exposed sensitive personal information of individuals who used Solv Health’s scheduling websites. Compromised data may include **names, dates of birth, email addresses, and insurance details**, though the exact number of affected individuals remains undisclosed. The breach stems from a vulnerability or security lapse within Solv Health’s systems, indirectly impacting UC San Diego Health’s patients. While no financial or medical records appear to have been stolen, the exposure of personally identifiable information (PII) raises concerns over potential identity theft, phishing, or fraudulent activities targeting the victims. The breach underscores risks associated with third-party vendor dependencies in healthcare data management, where even non-direct attacks can erode trust and necessitate regulatory disclosures under laws like **HIPAA** or **CCPA**. UC San Diego Health likely faced reputational damage and operational disruptions in addressing the fallout, including notifications, credit monitoring offers, and system audits to prevent future incidents.

UC San Diego HealthRansomware100710/2023
Rankiteo Explanation :
Attack that could injure or kill people

Description: UC San Diego Health experienced a ransomware attack threatening critical healthcare operations. As the medical industry increases reliance on technology, such attacks can have dire consequences on patient care and outcomes. The attack's costliness, with an average of $11 million according to IBM, poses risks to smaller healthcare systems' existence, potentially leading to their permanent closure. Patients in remote areas would be most affected due to the scarcity of nearby medical facilities. In response, federal funding has been allocated to develop better preventative and mitigative measures, focusing on cybersecurity in healthcare.

University of California San Francisco (UCSF)Ransomware100412/2024
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The University of California San Francisco suffered a significant ransomware attack at the hands of the NetWalker group, which resulted in the loss of access to critical data. In order to recover the encrypted files, UCSF was compelled to pay a substantial ransom of $1.14 million. This incident stressed the vulnerability of major institutions to sophisticated cyber threats, particularly during sensitive times such as the COVID-19 pandemic when reliance on digital infrastructure is at its peak. The attack not only financially impacted the university but also highlighted the potential risks to privacy and the continuation of essential services.

University of California San FranciscoBreach6039/2013
Rankiteo Explanation :
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported a data breach involving the University of California San Francisco (UCSF) on November 21, 2013. The breach occurred on September 25, 2013, when an unencrypted personal laptop containing identifiable health information was stolen from a physician's locked vehicle. The stolen laptop contained sensitive health information, which could potentially compromise the privacy and security of the affected individuals.

UCSF HealthBreach8542/2023
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The University of California, San Francisco (UCSF) experienced a data breach on **February 9, 2023**, disclosed on **April 26, 2023**, due to a **phishing attack** targeting UCSF email accounts. The breach exposed sensitive personal information of individuals, including **First Name, Last Name, Date of Birth, Medical Record Number (MRN), and Date of Service**. The exact number of affected individuals remains undetermined, but the compromised data poses risks of identity theft, medical fraud, or targeted scams. The attack exploited human vulnerability through phishing, leading to unauthorized access to employee email accounts, which likely contained or facilitated access to patient records. While no ransomware was involved, the exposure of **protected health information (PHI)**—particularly MRNs and service dates—heightens concerns over compliance violations (e.g., HIPAA) and potential misuse of medical data. The breach underscores the persistent threat of social engineering attacks in healthcare institutions, where employee credentials serve as gateways to highly sensitive systems.

University of California San FranciscoRansomware10046/2020
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The California Office of the Attorney General reported a data breach involving the University of California San Francisco (UCSF) on November 13, 2020. The breach occurred on June 1, 2020, due to a cybersecurity attack that resulted in unauthorized access to personal information, including names and social security numbers, affecting an unspecified number of individuals. UCSF paid the attacker to recover encrypted data and has offered credit monitoring services to impacted individuals.

UC Irvine Medical Center
Breach
Severity: 60
Impact: 3
Seen: 6/2011
Blog:
Rankiteo Explanation
Attack with significant impact with internal employee data leaks

Description: In June 2015, the California Office of the Attorney General disclosed a data breach at the **University of California Irvine Medical Center**, where an employee improperly accessed patient records over an extended period—from **June 2011 to March 2015**. The unauthorized access exposed **personal health information (PHI)** of an **unknown number of patients**, though investigations found **no evidence of sensitive data being stolen or misused**. The breach stemmed from internal misconduct, highlighting vulnerabilities in **employee access controls and monitoring protocols**. While the exposed data included patient details, the lack of confirmed theft or external exploitation mitigated some risks. However, the prolonged duration of the breach (nearly **four years**) raised concerns about **compliance with healthcare privacy regulations (e.g., HIPAA)** and the potential for **reputational damage** due to the mishandling of confidential medical records. The incident underscored the need for stricter **audit trails, access restrictions, and employee training** to prevent similar internal breaches in healthcare institutions.

University of California, Irvine
Breach
Severity: 85
Impact: 4
Seen: 2/2014
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The University of California, Irvine experienced a data breach reported on **May 14, 2014**, involving unauthorized access to its systems. The breach occurred due to computers being infected with a **keystroke logger** between **February 14 and March 27, 2014**, which potentially compromised **personal and unencrypted medical data** of individuals. The exact number of affected individuals remains **unknown**, raising concerns about the exposure of sensitive health information. The attack method suggests a targeted intrusion aimed at harvesting confidential data, likely through malicious software designed to capture keystrokes—including login credentials, medical records, or other personally identifiable information (PII). The breach underscores vulnerabilities in the university’s cybersecurity defenses, particularly in protecting high-risk data like medical records, which are subject to strict regulatory protections (e.g., HIPAA). The incident highlights the risks of **unauthorized data access** in academic institutions handling sensitive information, with potential long-term repercussions for trust, legal compliance, and individual privacy.

UCI Health
Breach
Severity: 90
Impact: 4
Seen: 03/2015
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: An employee of UC Irvine Medical Center unethically viewed thousands of patient records over a four-year period. The incident compromised the personal health information including names, dates of birth, gender, medical record numbers, height, weight, medical center account numbers, allergy information, home address, medical documentation, diagnoses, test orders and results, of 4,859 patients . The center investigated the incident with the help of external security experts and notifies the affected patients.

UCLA
Ransomware
Severity: 100
Impact: 5
Seen: 6/2023
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: The five new MOVEit assaults victims revealed on the dark web leak site for the Clop ransomware organization include the industrial behemoths Siemens Energy, Schneider Electric, werum.com, UCLA (http://ucla.edu), Abbie (http://abbvie.com), and Abbie. Worldwide, vital national infrastructures use Industrial Control Systems (ICS) from Siemens Energy and Schneider Electric. Threat actors claim they were able to compromise 100 different firms utilizing the most recently revealed MOVEit Transfer vulnerability CVE-2023-34362. The US government offers rewards for information that leads to the arrest, indictment, or location of dangerous actors.

UCLA Health
Breach
Severity: 80
Impact: 4
Seen: 9/2015
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: UCLA Health experienced a data breach incident in September 2015 after one of its laptop got stolen. The stolen laptop contained the personal information of approximately 1,242 patient of the organization including names and medical record numbers. UCLA Health notified all affected patient and retraining those involved with the incident.

UCLA Health
Data Leak
Severity: 60
Impact: 4
Seen: 06/2022
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: UCLA health experienced a data breach incident that 94,000 patients personal information and health data to third parties. UCLA Health promptly disabled the use of the tools and launched an investigation. The compromised information includes patients’ URL/website addresses, provider names, specialty, ad campaign names, page views, IP addresses, third-party cookies, and hashed values of certain fields on the appointment request form, such as patient names, email addresses, mailing addresses, phone numbers, and genders. UCLA Health website and the UCLA Health mobile app were affected. The UCLA Health patient portal was not impacted.

University of California
Breach
Severity: 60
Impact: 3
Seen: 12/2020
Blog:
Rankiteo Explanation
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported a data breach at the University of California on May 13, 2021. The breach occurred on December 24, 2020, when an unauthorized third party accessed files containing personal information of UC community members, including Social Security numbers and financial information. Approximately 100 organizations were similarly attacked, but the number of affected individuals specific to UC is unknown.

UC San Diego Health Hillcrest - Hillcrest Medical Center
Breach
Severity: 60
Impact: 3
Seen: 1/2024
Blog:
Rankiteo Explanation
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported that UC San Diego Health experienced a data breach due to a phishing attack, which occurred between January 9 and January 22, 2024. The breach involved unauthorized access to employee email accounts, potentially exposing personal information such as names and Social Security numbers, affecting an unspecified number of individuals. The breach was reported on March 8, 2024.

UC San Diego Health
Breach
Severity: 60
Impact: 4
Seen: 07/2021
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: UC San Diego Health suffered from a data breach that exposed number of patients, employees and others connected to UC San Diego Health potentially. It was found that the breach occurred via unauthorized access to some employee email accounts, but it did not affect the continuity of care for their patients. A UCSD Health spokesperson said Tuesday that ransomware, software often used to extort money from an organization, was not involved. The compromised information includes full names, addresses, dates of birth, email addresses, fax numbers, claims information including dates and costs of care received, laboratory results, medical diagnoses and conditions, medical record numbers, prescription information, treatment information, Social Security numbers, government identification numbers, financial account numbers, student identification numbers, usernames and passwords. They notified people, and the letters each person receives precisely reflect the information that would have been impacted for that particular person.

UC San Diego Health
Breach
Severity: 60
Impact: 3
Seen: 12/2020
Blog:
Rankiteo Explanation
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported that UC San Diego Health experienced a data breach involving unauthorized access to employee email accounts. The incident occurred between December 2, 2020, and April 8, 2021, affecting personal information including Social Security numbers and medical details. The breach was reported on September 9, 2021.

UC San Diego School of Medicine
Breach
Severity: 60
Impact: 3
Seen: 8/2016
Blog:
Rankiteo Explanation
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported that UC San Diego School of Medicine experienced a data breach on August 3, 2016. The breach involved personal information including names and social security numbers of trainees. The incident was reported on September 22, 2016.

UC San Diego Health
Breach
Severity: 85
Impact: 4
Seen: 11/2017
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The California Office of the Attorney General reported a data breach at UC San Diego Health that occurred between November 20, 2017, and December 9, 2017, with notification issued on June 14, 2019. An unauthorized third party accessed a medical transcription platform, potentially compromising patient data such as names, dates of birth, and clinical information, but did not access Social Security numbers or financial account information. The number of individuals affected is currently unknown.

UC San Diego Health
Breach
Severity: 85
Impact: 4
Seen: 9/2022
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: UC San Diego Health suffered a data breach via its third-party vendor, Solv Health, between **September 13 and December 22, 2022**. The incident exposed sensitive personal information of individuals who used Solv Health’s scheduling websites. Compromised data may include **names, dates of birth, email addresses, and insurance details**, though the exact number of affected individuals remains undisclosed. The breach stems from a vulnerability or security lapse within Solv Health’s systems, indirectly impacting UC San Diego Health’s patients. While no financial or medical records appear to have been stolen, the exposure of personally identifiable information (PII) raises concerns over potential identity theft, phishing, or fraudulent activities targeting the victims. The breach underscores risks associated with third-party vendor dependencies in healthcare data management, where even non-direct attacks can erode trust and necessitate regulatory disclosures under laws like **HIPAA** or **CCPA**. UC San Diego Health likely faced reputational damage and operational disruptions in addressing the fallout, including notifications, credit monitoring offers, and system audits to prevent future incidents.

UC San Diego Health
Ransomware
Severity: 100
Impact: 7
Seen: 10/2023
Blog:
Rankiteo Explanation
Attack that could injure or kill people

Description: UC San Diego Health experienced a ransomware attack threatening critical healthcare operations. As the medical industry increases reliance on technology, such attacks can have dire consequences on patient care and outcomes. The attack's costliness, with an average of $11 million according to IBM, poses risks to smaller healthcare systems' existence, potentially leading to their permanent closure. Patients in remote areas would be most affected due to the scarcity of nearby medical facilities. In response, federal funding has been allocated to develop better preventative and mitigative measures, focusing on cybersecurity in healthcare.

University of California San Francisco (UCSF)
Ransomware
Severity: 100
Impact: 4
Seen: 12/2024
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The University of California San Francisco suffered a significant ransomware attack at the hands of the NetWalker group, which resulted in the loss of access to critical data. In order to recover the encrypted files, UCSF was compelled to pay a substantial ransom of $1.14 million. This incident stressed the vulnerability of major institutions to sophisticated cyber threats, particularly during sensitive times such as the COVID-19 pandemic when reliance on digital infrastructure is at its peak. The attack not only financially impacted the university but also highlighted the potential risks to privacy and the continuation of essential services.

University of California San Francisco
Breach
Severity: 60
Impact: 3
Seen: 9/2013
Blog:
Rankiteo Explanation
Attack with significant impact with internal employee data leaks

Description: The California Office of the Attorney General reported a data breach involving the University of California San Francisco (UCSF) on November 21, 2013. The breach occurred on September 25, 2013, when an unencrypted personal laptop containing identifiable health information was stolen from a physician's locked vehicle. The stolen laptop contained sensitive health information, which could potentially compromise the privacy and security of the affected individuals.

UCSF Health
Breach
Severity: 85
Impact: 4
Seen: 2/2023
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The University of California, San Francisco (UCSF) experienced a data breach on **February 9, 2023**, disclosed on **April 26, 2023**, due to a **phishing attack** targeting UCSF email accounts. The breach exposed sensitive personal information of individuals, including **First Name, Last Name, Date of Birth, Medical Record Number (MRN), and Date of Service**. The exact number of affected individuals remains undetermined, but the compromised data poses risks of identity theft, medical fraud, or targeted scams. The attack exploited human vulnerability through phishing, leading to unauthorized access to employee email accounts, which likely contained or facilitated access to patient records. While no ransomware was involved, the exposure of **protected health information (PHI)**—particularly MRNs and service dates—heightens concerns over compliance violations (e.g., HIPAA) and potential misuse of medical data. The breach underscores the persistent threat of social engineering attacks in healthcare institutions, where employee credentials serve as gateways to highly sensitive systems.

University of California San Francisco
Ransomware
Severity: 100
Impact: 4
Seen: 6/2020
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The California Office of the Attorney General reported a data breach involving the University of California San Francisco (UCSF) on November 13, 2020. The breach occurred on June 1, 2020, due to a cybersecurity attack that resulted in unauthorized access to personal information, including names and social security numbers, affecting an unspecified number of individuals. UCSF paid the attacker to recover encrypted data and has offered credit monitoring services to impacted individuals.

Ailogo

UC Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

🔒
Incident Predictions locked
Access Monitoring Plan

A.I Risk Score Likelihood 3 - 6 - 9 months

🔒
A.I. Risk Score Predictions locked
Access Monitoring Plan
statics

Underwriter Stats for UC

Incidents vs Higher Education Industry Average (This Year)

No incidents recorded for University of California in 2025.

Incidents vs All-Companies Average (This Year)

No incidents recorded for University of California in 2025.

Incident Types UC vs Higher Education Industry Avg (This Year)

No incidents recorded for University of California in 2025.

Incident History — UC (X = Date, Y = Severity)

UC cyber incidents detection timeline including parent company and subsidiaries

UC Company Subsidiaries

SubsidiaryImage

No other university does as much for so many as the University of California. For almost 150 years, the University of California has educated the brightest minds and helped California become a beacon of innovation. Our campuses routinely are ranked among the best in the world. But our reach extends beyond campus borders. Our people connect the dots, exchange ideas, make advancements and unlock the secrets and mysteries of the universe every day. They engage local governments and underserved schools, save lives and improve health, protect the environment and push the boundaries of space. And it adds up to an immense direct impact on the economy. UC supports 430,000 jobs and contributes over $46 billion to the California economy each year.

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UC CyberSecurity News

December 08, 2025 04:08 PM
Training the Defenders of the Digital Age

As cybercrime surges, UC Davis computer scientist Matt Bishop aims to build a stronger frontline. His SWEEPS initiative trains developers to...

October 23, 2025 07:00 AM
University of California faculty push back against Big Brother cybersecurity mandate

The long-running dispute centers on Trellix, a cybersecurity software UC now requires on all university-owned computers used by faculty and even...

October 21, 2025 07:00 AM
UC San Diego’s Center for Healthcare Cybersecurity Protects Patients and Keeps Hospitals Running

A national priority · The Center for Healthcare Cybersecurity is shaping the future of health care in the digital age by protecting patients as...

October 09, 2025 07:00 AM
Why cybersecurity training isn’t enough to stop phishing hacks

New research from UC San Diego reveals that generic cybersecurity training often fails to capture people's attention.

October 02, 2025 07:00 AM
UCLA’s Chris Mattman shares how AI is transforming cybersecurity

By Rebecca Kendall, UCLA Newsroom. October is Cybersecurity Awareness Month, a nationwide effort to highlight digital security threats and...

September 18, 2025 07:00 AM
UCR computer scientists boost US cybersecurity

UCR computer scientists boost US cybersecurity ... As cyber threats grow more sophisticated by the day, UC Riverside researchers are making...

September 17, 2025 07:00 AM
Cybersecurity Training Programs Don’t Prevent Employees from Falling for Phishing Scams

Cybersecurity training programs as implemented today by most large companies do little to reduce the risk that employees will fall for...

July 30, 2025 07:00 AM
Expert Interview: Sean Peisert on Cybersecurity Research

In this 10-minute audio interview, cybersecurity expert Sean Peisert shares how Berkeley Lab advances research that protects...

July 28, 2025 07:00 AM
Register today for the 2025 UC Cybersecurity Summit

19 and 20, from 9 a.m. to 12 p.m. Organized around the theme, “Building Resilient Communities,” this year's event will explore how cybersecurity...

faq

Frequently Asked Questions

Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.

UC CyberSecurity History Information

Official Website of University of California

The official website of University of California is http://jobs.universityofcalifornia.edu.

University of California’s AI-Generated Cybersecurity Score

According to Rankiteo, University of California’s AI-generated cybersecurity score is 810, reflecting their Good security posture.

How many security badges does University of California’ have ?

According to Rankiteo, University of California currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.

Does University of California have SOC 2 Type 1 certification ?

According to Rankiteo, University of California is not certified under SOC 2 Type 1.

Does University of California have SOC 2 Type 2 certification ?

According to Rankiteo, University of California does not hold a SOC 2 Type 2 certification.

Does University of California comply with GDPR ?

According to Rankiteo, University of California is not listed as GDPR compliant.

Does University of California have PCI DSS certification ?

According to Rankiteo, University of California does not currently maintain PCI DSS compliance.

Does University of California comply with HIPAA ?

According to Rankiteo, University of California is not compliant with HIPAA regulations.

Does University of California have ISO 27001 certification ?

According to Rankiteo,University of California is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.

Industry Classification of University of California

University of California operates primarily in the Higher Education industry.

Number of Employees at University of California

University of California employs approximately 154,345 people worldwide.

Subsidiaries Owned by University of California

University of California presently has no subsidiaries across any sectors.

University of California’s LinkedIn Followers

University of California’s official LinkedIn profile has approximately 92,794 followers.

NAICS Classification of University of California

University of California is classified under the NAICS code 6113, which corresponds to Colleges, Universities, and Professional Schools.

University of California’s Presence on Crunchbase

No, University of California does not have a profile on Crunchbase.

University of California’s Presence on LinkedIn

Yes, University of California maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/university-of-california.

Cybersecurity Incidents Involving University of California

As of December 20, 2025, Rankiteo reports that University of California has experienced 18 cybersecurity incidents.

Number of Peer and Competitor Companies

University of California has an estimated 14,864 peer or competitor companies worldwide.

What types of cybersecurity incidents have occurred at University of California ?

Incident Types: The types of cybersecurity incidents that have occurred include Data Leak, Breach and Ransomware.

What was the total financial impact of these incidents on University of California ?

Total Financial Loss: The total financial loss from these incidents is estimated to be $12.14 million.

How does University of California detect and respond to cybersecurity incidents ?

Detection and Response: The company detects and responds to cybersecurity incidents through an remediation measures with retraining involved personnel, remediation measures with notifying affected patients, and third party assistance with external security experts, and communication strategy with notifies the affected patients, and communication strategy with individuals were notified, and the letters each person receives precisely reflect the information that would have been impacted for that particular person., and containment measures with disabled the use of the tools, and communication strategy with public disclosure via california office of the attorney general, and communication strategy with public disclosure via california office of the attorney general..

Incident Details

Can you provide details on each incident ?

Incident : Data Breach

Title: UCLA Health Data Breach

Description: UCLA Health experienced a data breach incident in September 2015 after one of its laptops got stolen. The stolen laptop contained the personal information of approximately 1,242 patients of the organization including names and medical record numbers. UCLA Health notified all affected patients and retrained those involved with the incident.

Date Detected: 2015-09

Type: Data Breach

Attack Vector: Theft of Laptop

Incident : Data Breach

Title: Unauthorized Access to Patient Records at UC Irvine Medical Center

Description: An employee of UC Irvine Medical Center unethically viewed thousands of patient records over a four-year period. The incident compromised the personal health information including names, dates of birth, gender, medical record numbers, height, weight, medical center account numbers, allergy information, home address, medical documentation, diagnoses, test orders and results, of 4,859 patients.

Type: Data Breach

Attack Vector: Unauthorized Access

Vulnerability Exploited: Insider Threat

Threat Actor: Employee

Motivation: Unethical Behavior

Incident : Data Breach

Title: UC San Diego Health Data Breach

Description: UC San Diego Health suffered from a data breach that exposed the information of patients, employees, and others connected to UC San Diego Health potentially.

Type: Data Breach

Attack Vector: Unauthorized access to employee email accounts

Incident : Data Breach

Title: UCLA Health Data Breach

Description: UCLA Health experienced a data breach incident affecting 94,000 patients' personal information and health data to third parties.

Type: Data Breach

Incident : Data Breach and Ransomware Attack

Title: MOVEit Transfer Vulnerability Exploitation by Clop Ransomware Group

Description: The Clop ransomware group exploited the MOVEit Transfer vulnerability CVE-2023-34362 to compromise multiple organizations, including Siemens Energy, Schneider Electric, Werum, UCLA, and AbbVie.

Type: Data Breach and Ransomware Attack

Attack Vector: Vulnerability Exploitation

Vulnerability Exploited: CVE-2023-34362

Threat Actor: Clop Ransomware Group

Motivation: Financial Gain

Incident : Ransomware

Title: UC San Diego Health Ransomware Attack

Description: UC San Diego Health experienced a ransomware attack threatening critical healthcare operations. As the medical industry increases reliance on technology, such attacks can have dire consequences on patient care and outcomes. The attack's costliness, with an average of $11 million according to IBM, poses risks to smaller healthcare systems' existence, potentially leading to their permanent closure. Patients in remote areas would be most affected due to the scarcity of nearby medical facilities. In response, federal funding has been allocated to develop better preventative and mitigative measures, focusing on cybersecurity in healthcare.

Type: Ransomware

Motivation: Financial Gain

Incident : Ransomware

Title: UCSF Ransomware Attack

Description: The University of California San Francisco suffered a significant ransomware attack at the hands of the NetWalker group, which resulted in the loss of access to critical data. In order to recover the encrypted files, UCSF was compelled to pay a substantial ransom of $1.14 million. This incident stressed the vulnerability of major institutions to sophisticated cyber threats, particularly during sensitive times such as the COVID-19 pandemic when reliance on digital infrastructure is at its peak. The attack not only financially impacted the university but also highlighted the potential risks to privacy and the continuation of essential services.

Type: Ransomware

Threat Actor: NetWalker group

Motivation: Financial Gain

Incident : Data Breach

Title: UC San Diego Health Data Breach

Description: The California Office of the Attorney General reported that UC San Diego Health experienced a data breach due to a phishing attack, which occurred between January 9 and January 22, 2024. The breach involved unauthorized access to employee email accounts, potentially exposing personal information such as names and Social Security numbers, affecting an unspecified number of individuals. The breach was reported on March 8, 2024.

Date Detected: 2024-03-08

Date Publicly Disclosed: 2024-03-08

Type: Data Breach

Attack Vector: Phishing

Vulnerability Exploited: Human

Incident : Data Breach

Title: Data Breach at University of California San Francisco

Description: The California Office of the Attorney General reported a data breach involving the University of California San Francisco (UCSF) on November 13, 2020. The breach occurred on June 1, 2020, due to a cybersecurity attack that resulted in unauthorized access to personal information, including names and social security numbers, affecting an unspecified number of individuals. UCSF paid the attacker to recover encrypted data and has offered credit monitoring services to impacted individuals.

Date Detected: 2020-06-01

Date Publicly Disclosed: 2020-11-13

Type: Data Breach

Incident : Data Breach

Title: Data Breach at UC San Diego Health

Description: An unauthorized third party accessed a medical transcription platform, potentially compromising patient data such as names, dates of birth, and clinical information, but did not access Social Security numbers or financial account information.

Date Publicly Disclosed: 2019-06-14

Type: Data Breach

Attack Vector: Unauthorized Access

Threat Actor: Unauthorized Third Party

Incident : Data Breach

Title: Data Breach at University of California San Francisco (UCSF)

Description: A data breach occurred when an unencrypted personal laptop containing identifiable health information was stolen from a physician's locked vehicle.

Date Detected: 2013-09-25

Date Publicly Disclosed: 2013-11-21

Type: Data Breach

Attack Vector: Physical Theft

Vulnerability Exploited: Unencrypted Data

Threat Actor: Unknown

Motivation: Unknown

Incident : Data Breach

Title: UC San Diego School of Medicine Data Breach

Description: The California Office of the Attorney General reported that UC San Diego School of Medicine experienced a data breach involving personal information including names and social security numbers of trainees.

Date Detected: 2016-08-03

Date Publicly Disclosed: 2016-09-22

Type: Data Breach

Incident : Data Breach

Title: Data Breach at University of California

Description: The California Office of the Attorney General reported a data breach at the University of California on May 13, 2021. The breach occurred on December 24, 2020, when an unauthorized third party accessed files containing personal information of UC community members, including Social Security numbers and financial information. Approximately 100 organizations were similarly attacked, but the number of affected individuals specific to UC is unknown.

Date Detected: 2021-05-13

Date Publicly Disclosed: 2021-05-13

Type: Data Breach

Attack Vector: Unauthorized Access

Threat Actor: Unauthorized Third Party

Incident : Data Breach

Title: UC San Diego Health Data Breach

Description: Unauthorized access to employee email accounts compromising personal information including Social Security numbers and medical details.

Date Detected: April 8, 2021

Date Publicly Disclosed: September 9, 2021

Type: Data Breach

Attack Vector: Email Compromise

Incident : Data Breach

Title: Data Breach at University of California, San Francisco (UCSF) via Phishing Attack

Description: The California Office of the Attorney General reported a data breach involving the University of California, San Francisco (UCSF) on April 26, 2023. The breach occurred on February 9, 2023, due to a phishing attack that compromised some UCSF email accounts, potentially exposing individuals' First Name, Last Name, Date of Birth, MRN (Medical Record Number), and Date of Service. The number of individuals affected is currently unknown.

Date Detected: 2023-02-09

Date Publicly Disclosed: 2023-04-26

Type: Data Breach

Attack Vector: Phishing

Incident : Data Breach

Title: UC San Diego Health Data Breach via Vendor Solv Health

Description: The California Office of the Attorney General reported that UC San Diego Health experienced a data breach involving its vendor, Solv Health, between September 13 and December 22, 2022. The breach may have compromised personal information such as names, dates of birth, email addresses, and insurance types for individuals who used scheduling websites, affecting an unknown number of individuals.

Type: Data Breach

Incident : Data Breach (Insider Threat)

Title: University of California Irvine Medical Center Data Breach (2011-2015)

Description: An employee improperly accessed patient records between June 2011 and March 2015 at the University of California Irvine Medical Center. The breach potentially affected an unknown number of patients, exposing various personal health information, but no evidence was found of sensitive information being removed.

Date Detected: 2015-03-01

Date Publicly Disclosed: 2015-06-17

Type: Data Breach (Insider Threat)

Attack Vector: Insider Access Abuse

Threat Actor: Internal Employee

Motivation: Unknown (Potentially Unauthorized Curiosity or Malicious Intent)

Incident : Data Breach

Title: University of California, Irvine Data Breach (2014)

Description: The California Office of the Attorney General reported a data breach by the University of California, Irvine on May 14, 2014. The breach involved unauthorized access to computers infected with a keystroke logger between February 14 and March 27, 2014, potentially affecting personal information for individuals, including unencrypted medical data. The number of individuals affected is unknown.

Date Detected: 2014-03-27

Date Publicly Disclosed: 2014-05-14

Type: Data Breach

Attack Vector: Keystroke Logger (Malware)

What are the most common types of attacks the company has faced ?

Common Attack Types: The most common types of attacks the company has faced is Breach.

How does the company identify the attack vectors used in incidents ?

Identification of Attack Vectors: The company identifies the attack vectors used in incidents through Employee email accounts, Phishing email, Email Compromise and Phishing (compromised email accounts).

Impact of the Incidents

What was the impact of each incident ?

Incident : Data Breach UCL14320422

Data Compromised: Names, Medical record numbers

Incident : Data Breach UCI2241522

Data Compromised: Names, Dates of birth, Gender, Medical record numbers, Height, Weight, Medical center account numbers, Allergy information, Home address, Medical documentation, Diagnoses, Test orders and results

Incident : Data Breach UCS22335223

Data Compromised: Full names, Addresses, Dates of birth, Email addresses, Fax numbers, Claims information including dates and costs of care received, Laboratory results, Medical diagnoses and conditions, Medical record numbers, Prescription information, Treatment information, Social security numbers, Government identification numbers, Financial account numbers, Student identification numbers, Usernames and passwords

Incident : Data Breach UCL11139223

Data Compromised: Url/website addresses, Provider names, Specialty, Ad campaign names, Page views, Ip addresses, Third-party cookies, Hashed values of certain fields on the appointment request form, such as patient names, email addresses, mailing addresses, phone numbers, and genders

Systems Affected: UCLA Health websiteUCLA Health mobile app

Incident : Ransomware UCS1014070724

Financial Loss: Average of $11 million

Systems Affected: Critical healthcare operations

Operational Impact: Threat to patient care and outcomes

Incident : Ransomware UCS000122224

Financial Loss: $1.14 million

Systems Affected: Critical data systems

Operational Impact: Loss of access to critical data

Incident : Data Breach UCS108072625

Data Compromised: Names, Social security numbers

Systems Affected: Employee email accounts

Incident : Data Breach UCS658072625

Data Compromised: Names, Social security numbers

Incident : Data Breach UCS827072625

Data Compromised: Names, Dates of birth, Clinical information

Systems Affected: Medical Transcription Platform

Incident : Data Breach UCS212072625

Data Compromised: Identifiable Health Information

Systems Affected: Personal Laptop

Incident : Data Breach UCS457072625

Data Compromised: Names, Social security numbers

Incident : Data Breach UCO831072725

Data Compromised: Social security numbers, Financial information

Incident : Data Breach UCS913080425

Data Compromised: Social security numbers, Medical details

Incident : Data Breach UCS157082025

Data Compromised: First name, Last name, Date of birth, Mrn, Date of service

Systems Affected: Email Accounts

Identity Theft Risk: Potential (PII exposed)

Incident : Data Breach UCS1016090725

Data Compromised: Names, Dates of birth, Email addresses, Insurance types

Systems Affected: scheduling websites

Identity Theft Risk: Potential

Incident : Data Breach (Insider Threat) UC-952091725

Data Compromised: Personal health information (phi)

Brand Reputation Impact: Potential Reputational Harm (Healthcare Trust Erosion)

Identity Theft Risk: Low (No Evidence of Data Exfiltration)

Incident : Data Breach UC-013091825

Data Compromised: Personal information, Unencrypted medical data

Systems Affected: Computers

Identity Theft Risk: Potential

What is the average financial loss per incident ?

Average Financial Loss: The average financial loss per incident is $674.44 thousand.

What types of data are most commonly compromised in incidents ?

Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Personal Information, , Names, Dates Of Birth, Gender, Medical Record Numbers, Height, Weight, Medical Center Account Numbers, Allergy Information, Home Address, Medical Documentation, Diagnoses, Test Orders And Results, , Full Names, Addresses, Dates Of Birth, Email Addresses, Fax Numbers, Claims Information Including Dates And Costs Of Care Received, Laboratory Results, Medical Diagnoses And Conditions, Medical Record Numbers, Prescription Information, Treatment Information, Social Security Numbers, Government Identification Numbers, Financial Account Numbers, Student Identification Numbers, Usernames And Passwords, , Personal Information, Health Data, , Names, Social Security Numbers, , Names, Social Security Numbers, , Names, Dates Of Birth, Clinical Information, , Identifiable Health Information, Names, Social Security Numbers, , Social Security Numbers, Financial Information, , Social Security Numbers, Medical Details, , Personally Identifiable Information (Pii), Protected Health Information (Phi), , Personal Information, , Personal Health Information (PHI), Personal Information, Medical Data and .

Which entities were affected by each incident ?

Incident : Data Breach UCL14320422

Entity Name: UCLA Health

Entity Type: Healthcare Provider

Industry: Healthcare

Customers Affected: 1,242

Incident : Data Breach UCI2241522

Entity Name: UC Irvine Medical Center

Entity Type: Hospital

Industry: Healthcare

Location: Irvine, CA

Customers Affected: 4,859 patients

Incident : Data Breach UCS22335223

Entity Name: UC San Diego Health

Entity Type: Healthcare

Industry: Healthcare

Location: San Diego, CA

Incident : Data Breach UCL11139223

Entity Name: UCLA Health

Entity Type: Healthcare Provider

Industry: Healthcare

Location: Los Angeles, California

Customers Affected: 94,000

Incident : Data Breach and Ransomware Attack UCL0443723

Entity Name: Siemens Energy

Entity Type: Industrial Control Systems Provider

Industry: Energy

Incident : Data Breach and Ransomware Attack UCL0443723

Entity Name: Schneider Electric

Entity Type: Industrial Control Systems Provider

Industry: Energy Management and Automation

Incident : Data Breach and Ransomware Attack UCL0443723

Entity Name: Werum

Entity Type: Software Company

Industry: Pharmaceuticals and Biotech

Incident : Data Breach and Ransomware Attack UCL0443723

Entity Name: UCLA

Entity Type: University

Industry: Education

Location: Los Angeles, CA

Incident : Data Breach and Ransomware Attack UCL0443723

Entity Name: AbbVie

Entity Type: Pharmaceutical Company

Industry: Pharmaceuticals

Incident : Ransomware UCS1014070724

Entity Name: UC San Diego Health

Entity Type: Healthcare Provider

Industry: Healthcare

Location: San Diego, California

Incident : Ransomware UCS000122224

Entity Name: University of California San Francisco

Entity Type: Educational Institution

Industry: Education

Location: San Francisco, CA

Incident : Data Breach UCS108072625

Entity Name: UC San Diego Health

Entity Type: Healthcare

Industry: Healthcare

Location: San Diego, California

Incident : Data Breach UCS658072625

Entity Name: University of California San Francisco

Entity Type: Educational Institution

Industry: Education

Location: San Francisco, California

Incident : Data Breach UCS827072625

Entity Name: UC San Diego Health

Entity Type: Healthcare

Industry: Healthcare

Location: San Diego, California

Incident : Data Breach UCS212072625

Entity Name: University of California San Francisco (UCSF)

Entity Type: Educational Institution

Industry: Healthcare

Location: San Francisco, California

Incident : Data Breach UCS457072625

Entity Name: UC San Diego School of Medicine

Entity Type: Educational Institution

Industry: Education

Location: San Diego, California

Incident : Data Breach UCO831072725

Entity Name: University of California

Entity Type: Educational Institution

Industry: Education

Location: California

Incident : Data Breach UCS913080425

Entity Name: UC San Diego Health

Entity Type: Healthcare

Industry: Healthcare

Location: San Diego, California

Incident : Data Breach UCS157082025

Entity Name: University of California, San Francisco (UCSF)

Entity Type: Educational Institution / Healthcare Provider

Industry: Education, Healthcare

Location: San Francisco, California, USA

Customers Affected: Unknown

Incident : Data Breach UCS1016090725

Entity Name: UC San Diego Health

Entity Type: Healthcare Provider

Industry: Healthcare

Location: California, USA

Customers Affected: Unknown

Incident : Data Breach UCS1016090725

Entity Name: Solv Health

Entity Type: Vendor

Industry: Healthcare Technology

Customers Affected: Unknown

Incident : Data Breach (Insider Threat) UC-952091725

Entity Name: University of California Irvine Medical Center

Entity Type: Healthcare Provider / Academic Medical Center

Industry: Healthcare

Location: Orange, California, USA

Customers Affected: Unknown (Patients)

Incident : Data Breach UC-013091825

Entity Name: University of California, Irvine

Entity Type: Educational Institution

Industry: Higher Education

Location: Irvine, California, USA

Customers Affected: Unknown

Response to the Incidents

What measures were taken in response to each incident ?

Incident : Data Breach UCL14320422

Remediation Measures: Retraining involved personnelNotifying affected patients

Incident : Data Breach UCI2241522

Third Party Assistance: external security experts

Communication Strategy: notifies the affected patients

Incident : Data Breach UCS22335223

Communication Strategy: Individuals were notified, and the letters each person receives precisely reflect the information that would have been impacted for that particular person.

Incident : Data Breach UCL11139223

Containment Measures: Disabled the use of the tools

Incident : Data Breach UCS157082025

Communication Strategy: Public disclosure via California Office of the Attorney General

Incident : Data Breach (Insider Threat) UC-952091725

Communication Strategy: Public Disclosure via California Office of the Attorney General

How does the company involve third-party assistance in incident response ?

Third-Party Assistance: The company involves third-party assistance in incident response through external security experts.

Data Breach Information

What type of data was compromised in each breach ?

Incident : Data Breach UCL14320422

Type of Data Compromised: Personal information

Number of Records Exposed: 1,242

Sensitivity of Data: High

Personally Identifiable Information: NamesMedical Record Numbers

Incident : Data Breach UCI2241522

Type of Data Compromised: Names, Dates of birth, Gender, Medical record numbers, Height, Weight, Medical center account numbers, Allergy information, Home address, Medical documentation, Diagnoses, Test orders and results

Number of Records Exposed: 4,859

Sensitivity of Data: High

Personally Identifiable Information: namesdates of birthgendermedical record numbersheightweightmedical center account numbersallergy informationhome address

Incident : Data Breach UCS22335223

Type of Data Compromised: Full names, Addresses, Dates of birth, Email addresses, Fax numbers, Claims information including dates and costs of care received, Laboratory results, Medical diagnoses and conditions, Medical record numbers, Prescription information, Treatment information, Social security numbers, Government identification numbers, Financial account numbers, Student identification numbers, Usernames and passwords

Sensitivity of Data: High

Incident : Data Breach UCL11139223

Type of Data Compromised: Personal information, Health data

Number of Records Exposed: 94,000

Sensitivity of Data: High

Personally Identifiable Information: Patient namesEmail addressesMailing addressesPhone numbersGenders

Incident : Data Breach UCS108072625

Type of Data Compromised: Names, Social security numbers

Sensitivity of Data: High

Incident : Data Breach UCS658072625

Type of Data Compromised: Names, Social security numbers

Incident : Data Breach UCS827072625

Type of Data Compromised: Names, Dates of birth, Clinical information

Sensitivity of Data: High

Personally Identifiable Information: NamesDates of Birth

Incident : Data Breach UCS212072625

Type of Data Compromised: Identifiable Health Information

Sensitivity of Data: High

Data Encryption: No

Personally Identifiable Information: Yes

Incident : Data Breach UCS457072625

Type of Data Compromised: Names, Social security numbers

Sensitivity of Data: High

Incident : Data Breach UCO831072725

Type of Data Compromised: Social security numbers, Financial information

Sensitivity of Data: High

Personally Identifiable Information: Social Security numbers

Incident : Data Breach UCS913080425

Type of Data Compromised: Social security numbers, Medical details

Sensitivity of Data: High

Incident : Data Breach UCS157082025

Type of Data Compromised: Personally identifiable information (pii), Protected health information (phi)

Number of Records Exposed: Unknown

Sensitivity of Data: High (includes MRN and PHI)

Personally Identifiable Information: First NameLast NameDate of BirthMRNDate of Service

Incident : Data Breach UCS1016090725

Type of Data Compromised: Personal information

Number of Records Exposed: Unknown

Sensitivity of Data: Moderate (PII)

Data Exfiltration: Likely

Personally Identifiable Information: namesdates of birthemail addresses

Incident : Data Breach (Insider Threat) UC-952091725

Type of Data Compromised: Personal Health Information (PHI)

Number of Records Exposed: Unknown

Sensitivity of Data: High (Health Records)

Data Exfiltration: No Evidence

Personally Identifiable Information: Likely (PHI includes PII elements)

Incident : Data Breach UC-013091825

Type of Data Compromised: Personal information, Medical data

Number of Records Exposed: Unknown

Sensitivity of Data: High (Unencrypted Medical Data)

Data Exfiltration: Potential

Data Encryption: No (Data was unencrypted)

Personally Identifiable Information: Yes

What measures does the company take to prevent data exfiltration ?

Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: Retraining involved personnel, Notifying affected patients, .

How does the company handle incidents involving personally identifiable information (PII) ?

Handling of PII Incidents: The company handles incidents involving personally identifiable information (PII) through by disabled the use of the tools.

Ransomware Information

Was ransomware involved in any of the incidents ?

Incident : Data Breach and Ransomware Attack UCL0443723

Ransomware Strain: Clop

Incident : Ransomware UCS000122224

Ransom Demanded: $1.14 million

Ransom Paid: $1.14 million

Ransomware Strain: NetWalker

Data Encryption: Yes

Incident : Data Breach UCS658072625

Data Encryption: True

Regulatory Compliance

Were there any regulatory violations and fines imposed for each incident ?

Incident : Data Breach UCS157082025

Regulations Violated: Potentially HIPAA (Health Insurance Portability and Accountability Act), California Consumer Privacy Act (CCPA),

Regulatory Notifications: California Office of the Attorney General

Incident : Data Breach UCS1016090725

Regulatory Notifications: California Office of the Attorney General

Incident : Data Breach (Insider Threat) UC-952091725

Regulations Violated: HIPAA (Potential Violation), California Data Breach Notification Law,

Regulatory Notifications: California Office of the Attorney General

Incident : Data Breach UC-013091825

Regulatory Notifications: California Office of the Attorney General

Lessons Learned and Recommendations

What recommendations were made to prevent future incidents ?

Incident : Ransomware UCS1014070724

Recommendations: Federal funding allocated to develop better preventative and mitigative measures, focusing on cybersecurity in healthcare.

What recommendations has the company implemented to improve cybersecurity ?

Implemented Recommendations: The company has implemented the following recommendations to improve cybersecurity: Federal funding allocated to develop better preventative and mitigative measures and focusing on cybersecurity in healthcare..

References

Where can I find more information about each incident ?

Incident : Data Breach UCL11139223

Source: UCLA Health

Incident : Data Breach and Ransomware Attack UCL0443723

Source: UCLA

URL: http://ucla.edu

Incident : Data Breach and Ransomware Attack UCL0443723

Source: AbbVie

URL: http://abbvie.com

Incident : Data Breach UCS108072625

Source: California Office of the Attorney General

Date Accessed: 2024-03-08

Incident : Data Breach UCS658072625

Source: California Office of the Attorney General

Date Accessed: 2020-11-13

Incident : Data Breach UCS827072625

Source: California Office of the Attorney General

Incident : Data Breach UCS212072625

Source: California Office of the Attorney General

Incident : Data Breach UCS457072625

Source: California Office of the Attorney General

Incident : Data Breach UCO831072725

Source: California Office of the Attorney General

Date Accessed: 2021-05-13

Incident : Data Breach UCS913080425

Source: California Office of the Attorney General

Date Accessed: September 9, 2021

Incident : Data Breach UCS157082025

Source: California Office of the Attorney General

Date Accessed: 2023-04-26

Incident : Data Breach UCS1016090725

Source: California Office of the Attorney General

Incident : Data Breach (Insider Threat) UC-952091725

Source: California Office of the Attorney General

Date Accessed: 2015-06-17

Incident : Data Breach UC-013091825

Source: California Office of the Attorney General

Where can stakeholders find additional resources on cybersecurity best practices ?

Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: UCLA Health, and Source: UCLAUrl: http://ucla.edu, and Source: AbbVieUrl: http://abbvie.com, and Source: California Office of the Attorney GeneralDate Accessed: 2024-03-08, and Source: California Office of the Attorney GeneralDate Accessed: 2020-11-13, and Source: California Office of the Attorney General, and Source: California Office of the Attorney General, and Source: California Office of the Attorney General, and Source: California Office of the Attorney GeneralDate Accessed: 2021-05-13, and Source: California Office of the Attorney GeneralDate Accessed: September 9, 2021, and Source: California Office of the Attorney GeneralDate Accessed: 2023-04-26, and Source: California Office of the Attorney General, and Source: California Office of the Attorney GeneralDate Accessed: 2015-06-17, and Source: California Office of the Attorney General.

Investigation Status

What is the current status of the investigation for each incident ?

Incident : Data Breach UCL11139223

Investigation Status: Ongoing

Incident : Data Breach (Insider Threat) UC-952091725

Investigation Status: Completed (No Evidence of Data Theft)

How does the company communicate the status of incident investigations to stakeholders ?

Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through notifies the affected patients, Individuals were notified, and the letters each person receives precisely reflect the information that would have been impacted for that particular person., Public disclosure via California Office of the Attorney General and Public Disclosure via California Office of the Attorney General.

Initial Access Broker

How did the initial access broker gain entry for each incident ?

Incident : Data Breach UCS22335223

Entry Point: Employee email accounts

Incident : Data Breach UCS108072625

Entry Point: Phishing email

Incident : Data Breach UCS913080425

Entry Point: Email Compromise

Incident : Data Breach UCS157082025

Entry Point: Phishing (compromised email accounts)

Post-Incident Analysis

What were the root causes and corrective actions taken for each incident ?

Incident : Data Breach (Insider Threat) UC-952091725

Root Causes: Lack of Access Controls / Monitoring for Insider Threats

What is the company's process for conducting post-incident analysis ?

Post-Incident Analysis Process: The company's process for conducting post-incident analysis is described as external security experts.

Additional Questions

General Information

Has the company ever paid ransoms ?

Ransom Payment History: The company has Paid ransoms in the past.

What was the amount of the last ransom demanded ?

Last Ransom Demanded: The amount of the last ransom demanded was $1.14 million.

Who was the attacking group in the last incident ?

Last Attacking Group: The attacking group in the last incident were an Employee, Clop Ransomware Group, NetWalker group, Unauthorized Third Party, Unknown, Unauthorized Third Party and Internal Employee.

Incident Details

What was the most recent incident detected ?

Most Recent Incident Detected: The most recent incident detected was on 2015-09.

What was the most recent incident publicly disclosed ?

Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2014-05-14.

Impact of the Incidents

What was the highest financial loss from an incident ?

Highest Financial Loss: The highest financial loss from an incident was $1.14 million.

What was the most significant data compromised in an incident ?

Most Significant Data Compromised: The most significant data compromised in an incident were Names, Medical Record Numbers, , names, dates of birth, gender, medical record numbers, height, weight, medical center account numbers, allergy information, home address, medical documentation, diagnoses, test orders and results, , full names, addresses, dates of birth, email addresses, fax numbers, claims information including dates and costs of care received, laboratory results, medical diagnoses and conditions, medical record numbers, prescription information, treatment information, Social Security numbers, government identification numbers, financial account numbers, student identification numbers, usernames and passwords, , URL/website addresses, Provider names, Specialty, Ad campaign names, Page views, IP addresses, Third-party cookies, Hashed values of certain fields on the appointment request form, such as patient names, email addresses, mailing addresses, phone numbers, and genders, , Names, Social Security numbers, , names, social security numbers, , Names, Dates of Birth, Clinical Information, , Identifiable Health Information, names, social security numbers, , Social Security numbers, Financial information, , Social Security numbers, medical details, , First Name, Last Name, Date of Birth, MRN, Date of Service, , names, dates of birth, email addresses, insurance types, , Personal Health Information (PHI), , Personal Information, Unencrypted Medical Data and .

What was the most significant system affected in an incident ?

Most Significant System Affected: The most significant system affected in an incident was UCLA Health websiteUCLA Health mobile app and and and Employee email accounts and Medical Transcription Platform and and Email Accounts and scheduling websites and Computers.

Response to the Incidents

What third-party assistance was involved in the most recent incident ?

Third-Party Assistance in Most Recent Incident: The third-party assistance involved in the most recent incident was external security experts.

What containment measures were taken in the most recent incident ?

Containment Measures in Most Recent Incident: The containment measures taken in the most recent incident was Disabled the use of the tools.

Data Breach Information

What was the most sensitive data compromised in a breach ?

Most Sensitive Data Compromised: The most sensitive data compromised in a breach were medical record numbers, prescription information, Personal Information, Ad campaign names, email addresses, insurance types, test orders and results, gender, student identification numbers, Dates of Birth, Clinical Information, fax numbers, Social Security numbers, medical details, Date of Service, medical documentation, Personal Health Information (PHI), First Name, Identifiable Health Information, Provider names, usernames and passwords, Page views, medical center account numbers, claims information including dates and costs of care received, addresses, government identification numbers, names, Medical Record Numbers, Names, height, MRN, weight, Unencrypted Medical Data, medical diagnoses and conditions, Specialty, treatment information, diagnoses, home address, social security numbers, IP addresses, Financial information, laboratory results, Last Name, full names, Hashed values of certain fields on the appointment request form, such as patient names, email addresses, mailing addresses, phone numbers, and genders, Third-party cookies, Date of Birth, allergy information, financial account numbers, URL/website addresses and dates of birth.

What was the number of records exposed in the most significant breach ?

Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 100.1K.

Ransomware Information

What was the highest ransom demanded in a ransomware incident ?

Highest Ransom Demanded: The highest ransom demanded in a ransomware incident was $1.14 million.

What was the highest ransom paid in a ransomware incident ?

Highest Ransom Paid: The highest ransom paid in a ransomware incident was $1.14 million.

Lessons Learned and Recommendations

What was the most significant recommendation implemented to improve cybersecurity ?

Most Significant Recommendation Implemented: The most significant recommendation implemented to improve cybersecurity was Federal funding allocated to develop better preventative and mitigative measures and focusing on cybersecurity in healthcare..

References

What is the most recent source of information about an incident ?

Most Recent Source: The most recent source of information about an incident are AbbVie, UCLA, UCLA Health and California Office of the Attorney General.

What is the most recent URL for additional resources on cybersecurity best practices ?

Most Recent URL for Additional Resources: The most recent URL for additional resources on cybersecurity best practices is http://ucla.edu, http://abbvie.com .

Investigation Status

What is the current status of the most recent investigation ?

Current Status of Most Recent Investigation: The current status of the most recent investigation is Ongoing.

Initial Access Broker

What was the most recent entry point used by an initial access broker ?

Most Recent Entry Point: The most recent entry point used by an initial access broker were an Phishing (compromised email accounts), Phishing email, Employee email accounts and Email Compromise.

cve

Latest Global CVEs (Not Company-Specific)

Description

n8n is an open source workflow automation platform. Versions starting with 0.211.0 and prior to 1.120.4, 1.121.1, and 1.122.0 contain a critical Remote Code Execution (RCE) vulnerability in their workflow expression evaluation system. Under certain conditions, expressions supplied by authenticated users during workflow configuration may be evaluated in an execution context that is not sufficiently isolated from the underlying runtime. An authenticated attacker could abuse this behavior to execute arbitrary code with the privileges of the n8n process. Successful exploitation may lead to full compromise of the affected instance, including unauthorized access to sensitive data, modification of workflows, and execution of system-level operations. This issue has been fixed in versions 1.120.4, 1.121.1, and 1.122.0. Users are strongly advised to upgrade to a patched version, which introduces additional safeguards to restrict expression evaluation. If upgrading is not immediately possible, administrators should consider the following temporary mitigations: Limit workflow creation and editing permissions to fully trusted users only; and/or deploy n8n in a hardened environment with restricted operating system privileges and network access to reduce the impact of potential exploitation. These workarounds do not fully eliminate the risk and should only be used as short-term measures.

Risk Information
cvss3
Base: 9.9
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Description

FastAPI Users allows users to quickly add a registration and authentication system to their FastAPI project. Prior to version 15.0.2, the OAuth login state tokens are completely stateless and carry no per-request entropy or any data that could link them to the session that initiated the OAuth flow. `generate_state_token()` is always called with an empty `state_data` dict, so the resulting JWT only contains the fixed audience claim plus an expiration timestamp. On callback, the library merely checks that the JWT verifies under `state_secret` and is unexpired; there is no attempt to match the state value to the browser that initiated the OAuth request, no correlation cookie, and no server-side cache. Any attacker can hit `/authorize`, capture the server-generated state, finish the upstream OAuth flow with their own provider account, and then trick a victim into loading `.../callback?code=<attacker_code>&state=<attacker_state>`. Because the state JWT is valid for any client for \~1 hour, the victim’s browser will complete the flow. This leads to login CSRF. Depending on the app’s logic, the login CSRF can lead to an account takeover of the victim account or to the victim user getting logged in to the attacker's account. Version 15.0.2 contains a patch for the issue.

Risk Information
cvss3
Base: 5.9
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
Description

FileZilla Client 3.63.1 contains a DLL hijacking vulnerability that allows attackers to execute malicious code by placing a crafted TextShaping.dll in the application directory. Attackers can generate a reverse shell payload using msfvenom and replace the missing DLL to achieve remote code execution when the application launches.

Risk Information
cvss3
Base: 9.8
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss4
Base: 8.5
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description

LDAP Tool Box Self Service Password 1.5.2 contains a password reset vulnerability that allows attackers to manipulate HTTP Host headers during token generation. Attackers can craft malicious password reset requests that generate tokens sent to a controlled server, enabling potential account takeover by intercepting and using stolen reset tokens.

Risk Information
cvss3
Base: 7.5
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
cvss4
Base: 8.6
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description

Kimai 1.30.10 contains a SameSite cookie vulnerability that allows attackers to steal user session cookies through malicious exploitation. Attackers can trick victims into executing a crafted PHP script that captures and writes session cookie information to a file, enabling potential session hijacking.

Risk Information
cvss3
Base: 9.8
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss4
Base: 8.5
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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Network Security

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SBOM (Software Bill of Materials)

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