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We’re evolving health care so everyone can have the opportunity to live their healthiest life. It’s why we put your unique needs at the heart of everything we do, making it easy and affordable to manage health and well-being. We are delivering the right care how and when it’s needed; providing support to make smarter and healthier choices; and making prescription services easier, while helping you save money along the way. It’s everything health care should be. Together, for better health. Optum is part of UnitedHealth Group (NYSE: UNH).

Optum A.I CyberSecurity Scoring

Optum

Company Details

Linkedin ID:

optum

Employees number:

100,751

Number of followers:

1,379,972

NAICS:

62

Industry Type:

Hospitals and Health Care

Homepage:

optum.com

IP Addresses:

0

Company ID:

OPT_2870801

Scan Status:

In-progress

AI scoreOptum Risk Score (AI oriented)

Between 750 and 799

https://images.rankiteo.com/companyimages/optum.jpeg
Optum Hospitals and Health Care
Updated:
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Optum Hospitals and Health Care
  • Instant access to detailed risk factors
  • Benchmark vs. industry & size peers
  • Vulnerabilities
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Optum Company CyberSecurity News & History

Past Incidents
22
Attack Types
3
EntityTypeSeverityImpactSeenBlog DetailsIncident DetailsView
OptumRxBreach5023/2016
Rankiteo Explanation :
Attack limited on finance or reputation

Description: The California Office of the Attorney General reported a data breach incident involving OptumRx on April 8, 2016. The breach occurred on March 16, 2016, when an unencrypted laptop belonging to a vendor was stolen in Indianapolis, Indiana, potentially exposing names, addresses, health plan information, prescription drug details, and in some cases, dates of birth. Approximately UNKN individuals were affected, and no financial information was compromised.

OptumRansomware10057/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: The Optum incident exemplifies the risks of consolidating healthcare systems, where a cyberattack paralyzed medical billing and authorization services, resulting in patients experiencing delays in medical procedures and lack of access to prescription medications. Medical service providers could not bill insurance, leading to financial strain, missed salary payments, and some cases of severe financial difficulties. With a single point of failure due to consolidated services, a large portion of health systems and patient care became vulnerable to cyber threats.

UnitedHealthcareBreach8546/2011
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The California Office of the Attorney General reported a data breach involving UnitedHealth Group on March 30, 2012. The breach occurred from June 28, 2011 to December 12, 2011, potentially affecting personal information such as names, Social Security Numbers, and Medicare Healthcare Insurance Numbers, although the total number of individuals affected is unknown.

UnitedHealth GroupBreach10056/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: UnitedHealth Group, a health insurance company, reported significant financial implications due to the Change Healthcare cyberattack, with estimated costs between $2.3 and $2.45 billion for 2024. This cyberattack has not only led to direct response costs but also necessitated substantial financial support for healthcare providers. Despite the breach, UnitedHealth managed revenue growth, signaling resilience amidst the cyber incident.

UnitedHealth Group Inc.Breach10054/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: UnitedHealth Group Inc. experienced a substantial cybersecurity breach at its Change Healthcare unit, leading to significant financial repercussions. The breach resulted in immediate response costs and broader business disruption, totaling approximately $872 million in the first quarter, with projections of the total pre-tax cost reaching between $1.35 billion and $1.6 billion. Additionally, UnitedHealth is allocating $800 million as claims reserves, to address potential claims from providers due to interrupted services since the breach was reported on February 21. The breach has affected both the network security of Change Healthcare and the continuity of services to providers and partners.

UnitedHealth GroupBreach10046/2024
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: UnitedHealth Group, parent company of Change Healthcare, reported a cyber-attack affecting 190 million individuals, an increase of 90 million from initial reports. As one of the largest healthcare payment processors, this incident is the most severe healthcare data breach of 2024. The breach, perpetrated by ransomware group ALPHV/Blackcat, led to substantial financial consequences with costs reaching $3.1 billion, according to the company's financial results. This breach has not only compromised the personal information of millions but also resulted in multiple lawsuits against UnitedHealth Group.

UnitedHealth GroupCyber Attack100403/2023
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: In late February, UnitedHealth Group's subsidiary Change Healthcare suffered a notable cyber incident, causing considerable disruptions within the healthcare system. This breach has impeded healthcare operations nationwide, most critically affecting the ability to submit claims and receive payments. The incident has drawn significant concern from various stakeholders within the healthcare community, raising cash flow issues among hospitals, doctors, pharmacies, and others. To mitigate the impact, the Centers for Medicare & Medicaid Services (CMS) have enacted several immediate measures to assist providers and ensure continued service to patients. The incident emphasizes the critical need for enhanced cybersecurity resilience throughout the healthcare ecosystem and has prompted the Department of Health and Human Services (HHS) to actively engage with federal bodies to provide threat intelligence to the industry and ensure a transparent, effective response to the cyberattack.

UnitedHealth GroupCyber Attack10056/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: UnitedHealth Group faced a cyberattack on Change Healthcare, resulting in substantial financial repercussions projected to cost between $2.3 to $2.45 billion in 2024. This estimate is significantly higher than previous estimates, reflecting increased direct response expenses, financial support initiatives for care providers, and expenses related to consumer notification. Despite the impact of the cyberattack, UnitedHealth's revenue grew to $98.9 billion, indicating resilience in their operational performance.

UnitedHealth GroupRansomware10046/2024
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The Change Healthcare cyber-attack, acknowledged by parent company UnitedHealth Group, affected approximately 190 million individuals, marking a substantial increase from earlier reports. As one of the largest healthcare payment processing entities in the U.S., Change Healthcare's security breach, with losses totaling $3.1 billion, is considered the most severe healthcare data breach recorded in 2024. Behind this damaging cybersecurity incident is the ALPHV/Blackcat ransomware group, leading to multiple lawsuits against UnitedHealth Group.

UnitedHealth GroupRansomware10056/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: UnitedHealth Group, a Minnesota-based health insurance company, reported substantial financial implications due to the Change Healthcare cyberattack, with estimated costs between $2.3 billion to $2.45 billion for 2024. This figure significantly exceeds earlier estimates by over $1 billion. While UnitedHealth has restored most services and provided considerable financial aid to healthcare providers, the cyberattack's repercussions include increased direct response costs and support initiatives, contributing to an adjusted per share impact of $1.90 to $2.05 for the year.

United Health GroupRansomware10057/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: United Health Group encountered severe financial and operational disruptions due to the cyberattack on its subsidiary, Change Healthcare. The attack impaired medical billing and pre-authorization services, causing healthcare procedures to be delayed and prescriptions to be inaccessible. This led to delayed income for healthcare systems, impacting their ability to pay staff and potentially forcing some into financial turmoil. The resultant lack of care and delayed procedures may have affected patient health outcomes.

UnitedHealth Group (Change Healthcare)Ransomware10052/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: UnitedHealth Group’s subsidiary **Change Healthcare** suffered a **massive cyberattack** in February 2024, attributed to the **Blackcat (ALPHV) ransomware group**. The attack crippled critical systems, disrupting **billing, claims processing, and prescription services** across the U.S. healthcare sector. Hospitals, pharmacies, and providers faced **payment processing outages**, delaying patient care and financial transactions. The breach also exposed **sensitive patient data**, including medical records and personally identifiable information (PII), though the full scope of data theft remains under investigation. UnitedHealth was forced to **isolate affected systems**, leading to prolonged operational disruptions. The incident triggered **federal investigations**, with the U.S. Department of Health and Human Services (HHS) and the FBI involved. The financial and reputational damage was severe, with **stock drops** and **lawsuits** from affected parties. The attack underscored vulnerabilities in healthcare IT infrastructure, raising concerns about **future ransomware threats** to critical services.

UnitedHealth GroupRansomware10042/2025
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The ransomware attack on Change Healthcare, a component of UnitedHealth Group, reported on February 21, has been notably disruptive within the healthcare industry. This cyberattack is projected to result in financial damages approximating $1.6 billion. The incident has caused considerable perturbation amid providers contending with its extensive repercussions. Recovery efforts are hampered by the lack of clear communication from United Health and Change Healthcare, as providers await definitive instructions from the OCR regarding their reporting duties under HIPAA for this breach.

UnitedHealth GroupRansomware10055/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: UnitedHealth Group, the parent company of Change Healthcare, was affected by a ransomware attack that resulted in substantial operational disruption across the healthcare sector. Costs associated with the breach are projected to reach $1.6 billion. This breach compelled healthcare organizations to seek clarifications on their reporting obligations under HIPAA. While the extent of the compromised personal health information (PHI) is still being assessed, the situation highlights the complex challenges involved in managing and securing sensitive healthcare information in the digital age, alongside navigating the intricacies of legal and regulatory compliance.

UnitedHealthRansomware10056/2025
Rankiteo Explanation :
Attack threatening the organization's existence

Description: UnitedHealth faced a significant ransomware attack where its subsidiary, Change Healthcare, was compromised. The attack disrupted pharmacy operations, leading to chaos and a desperate need to fill prescriptions. UnitedHealth ultimately paid $22 million in bitcoin to the ALPHV/BlackCat gang to restore services quickly.

UnitedHealth GroupRansomware10053/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: UnitedHealth Group experienced a ransomware attack on February 21, which disrupted their services including medical claim handling and revenue cycle services. This resulted in severe delays in processing claims, pushing healthcare providers towards financial distress, with some nearly facing bankruptcy. The attack by the group BlackCat forced UnitedHealth to rebuild services and affected providers have started filing lawsuits due to not maintaining adequate cybersecurity measures, with allegations of sensitive information leaks. UnitedHealth has paid over $2 billion to affected providers and the data compromised in the attack remains undisclosed.

UnitedHealthcareBreach60412/2022
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The California Office of the Attorney General reported that UnitedHealthcare experienced a data breach affecting individuals' health information. The breach was detected on December 29, 2022, and it involved unauthorized access to the UHC broker portal, affecting information from December 1, 2022, to January 25, 2023. The breach potentially exposed first and last names, member ID numbers, plan effective dates, and other plan-related information, but not Social Security numbers or financial account information.

UnitedHealthcareBreach8546/2003
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: On January 28, 2013, the California Office of the Attorney General reported a data breach involving RR Donnelley, which included the theft of an unencrypted computer containing personal information of UnitedHealthcare members. The specific date of the breach is unknown, but it occurred sometime between the second half of September and the end of November 2012. The information potentially compromised includes names, addresses, and Social Security numbers, and approximately 2003 health benefit plan members were affected.

UnitedHealthcareBreach100512/2024
Rankiteo Explanation :
Attack threatening the organization’s existence

Description: The CEO of UnitedHealthcare, Brian Thompson, was tragically shot and killed in New York City. The suspected shooter, Luigi Mangione, was arrested shortly thereafter. Police found evidence suggesting motivations related to healthcare system criticisms. Bullet casings at the scene had words inscribed that imply dissatisfaction with health insurance coverage processes. Authorities also found a manifesto carried by Mangione that condemned healthcare companies for prioritizing profits over care. This event has led to a significant impact on UnitedHealthcare’s reputation, with potential financial implications due to the loss of its CEO and the adverse publicity surrounding the circumstances of his death.

UnitedHealthcareBreach100408/2022
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The company experienced a data breach after filing official documents with the Attorney General of Texas. The breach resulted in the names, addresses, health insurance information, and medical information being compromised. Leaked healthcare data was indeed protected healthcare information. They had sufficient information about a patient to carry out healthcare identity fraud.

UnitedHealthcareCyber Attack60212/2024
Rankiteo Explanation :
Attack limited on finance or reputation

Description: The CEO of UnitedHealthcare, Brian Thompson, was fatally shot in an incident involving Luigi Mangione, who was arrested in Pennsylvania. The shooter allegedly left behind bullet casings with words indicating a protest against healthcare insurance claim denials. The perpetrator carried a manifesto critical of healthcare companies' focus on profits over patient care. The case has drawn significant media attention, impacting the company’s reputation and possibly causing a financial setback due to concerns over the safety of its executives, potential legal issues, and the necessity for increased security measures.

UnitedHealthcareRansomware10043/2023
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: The Washington State Office of the Attorney General reported a data breach involving UnitedHealthcare on August 25, 2023. The breach, which was a ransomware attack discovered on April 17, 2023, affected approximately 1,025 Washington residents and involved compromised information including names, Social Security numbers, dates of birth, health insurance information, and medical information.

OptumRx
Breach
Severity: 50
Impact: 2
Seen: 3/2016
Blog:
Rankiteo Explanation
Attack limited on finance or reputation

Description: The California Office of the Attorney General reported a data breach incident involving OptumRx on April 8, 2016. The breach occurred on March 16, 2016, when an unencrypted laptop belonging to a vendor was stolen in Indianapolis, Indiana, potentially exposing names, addresses, health plan information, prescription drug details, and in some cases, dates of birth. Approximately UNKN individuals were affected, and no financial information was compromised.

Optum
Ransomware
Severity: 100
Impact: 5
Seen: 7/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: The Optum incident exemplifies the risks of consolidating healthcare systems, where a cyberattack paralyzed medical billing and authorization services, resulting in patients experiencing delays in medical procedures and lack of access to prescription medications. Medical service providers could not bill insurance, leading to financial strain, missed salary payments, and some cases of severe financial difficulties. With a single point of failure due to consolidated services, a large portion of health systems and patient care became vulnerable to cyber threats.

UnitedHealthcare
Breach
Severity: 85
Impact: 4
Seen: 6/2011
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The California Office of the Attorney General reported a data breach involving UnitedHealth Group on March 30, 2012. The breach occurred from June 28, 2011 to December 12, 2011, potentially affecting personal information such as names, Social Security Numbers, and Medicare Healthcare Insurance Numbers, although the total number of individuals affected is unknown.

UnitedHealth Group
Breach
Severity: 100
Impact: 5
Seen: 6/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: UnitedHealth Group, a health insurance company, reported significant financial implications due to the Change Healthcare cyberattack, with estimated costs between $2.3 and $2.45 billion for 2024. This cyberattack has not only led to direct response costs but also necessitated substantial financial support for healthcare providers. Despite the breach, UnitedHealth managed revenue growth, signaling resilience amidst the cyber incident.

UnitedHealth Group Inc.
Breach
Severity: 100
Impact: 5
Seen: 4/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: UnitedHealth Group Inc. experienced a substantial cybersecurity breach at its Change Healthcare unit, leading to significant financial repercussions. The breach resulted in immediate response costs and broader business disruption, totaling approximately $872 million in the first quarter, with projections of the total pre-tax cost reaching between $1.35 billion and $1.6 billion. Additionally, UnitedHealth is allocating $800 million as claims reserves, to address potential claims from providers due to interrupted services since the breach was reported on February 21. The breach has affected both the network security of Change Healthcare and the continuity of services to providers and partners.

UnitedHealth Group
Breach
Severity: 100
Impact: 4
Seen: 6/2024
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: UnitedHealth Group, parent company of Change Healthcare, reported a cyber-attack affecting 190 million individuals, an increase of 90 million from initial reports. As one of the largest healthcare payment processors, this incident is the most severe healthcare data breach of 2024. The breach, perpetrated by ransomware group ALPHV/Blackcat, led to substantial financial consequences with costs reaching $3.1 billion, according to the company's financial results. This breach has not only compromised the personal information of millions but also resulted in multiple lawsuits against UnitedHealth Group.

UnitedHealth Group
Cyber Attack
Severity: 100
Impact: 4
Seen: 03/2023
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: In late February, UnitedHealth Group's subsidiary Change Healthcare suffered a notable cyber incident, causing considerable disruptions within the healthcare system. This breach has impeded healthcare operations nationwide, most critically affecting the ability to submit claims and receive payments. The incident has drawn significant concern from various stakeholders within the healthcare community, raising cash flow issues among hospitals, doctors, pharmacies, and others. To mitigate the impact, the Centers for Medicare & Medicaid Services (CMS) have enacted several immediate measures to assist providers and ensure continued service to patients. The incident emphasizes the critical need for enhanced cybersecurity resilience throughout the healthcare ecosystem and has prompted the Department of Health and Human Services (HHS) to actively engage with federal bodies to provide threat intelligence to the industry and ensure a transparent, effective response to the cyberattack.

UnitedHealth Group
Cyber Attack
Severity: 100
Impact: 5
Seen: 6/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: UnitedHealth Group faced a cyberattack on Change Healthcare, resulting in substantial financial repercussions projected to cost between $2.3 to $2.45 billion in 2024. This estimate is significantly higher than previous estimates, reflecting increased direct response expenses, financial support initiatives for care providers, and expenses related to consumer notification. Despite the impact of the cyberattack, UnitedHealth's revenue grew to $98.9 billion, indicating resilience in their operational performance.

UnitedHealth Group
Ransomware
Severity: 100
Impact: 4
Seen: 6/2024
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The Change Healthcare cyber-attack, acknowledged by parent company UnitedHealth Group, affected approximately 190 million individuals, marking a substantial increase from earlier reports. As one of the largest healthcare payment processing entities in the U.S., Change Healthcare's security breach, with losses totaling $3.1 billion, is considered the most severe healthcare data breach recorded in 2024. Behind this damaging cybersecurity incident is the ALPHV/Blackcat ransomware group, leading to multiple lawsuits against UnitedHealth Group.

UnitedHealth Group
Ransomware
Severity: 100
Impact: 5
Seen: 6/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: UnitedHealth Group, a Minnesota-based health insurance company, reported substantial financial implications due to the Change Healthcare cyberattack, with estimated costs between $2.3 billion to $2.45 billion for 2024. This figure significantly exceeds earlier estimates by over $1 billion. While UnitedHealth has restored most services and provided considerable financial aid to healthcare providers, the cyberattack's repercussions include increased direct response costs and support initiatives, contributing to an adjusted per share impact of $1.90 to $2.05 for the year.

United Health Group
Ransomware
Severity: 100
Impact: 5
Seen: 7/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: United Health Group encountered severe financial and operational disruptions due to the cyberattack on its subsidiary, Change Healthcare. The attack impaired medical billing and pre-authorization services, causing healthcare procedures to be delayed and prescriptions to be inaccessible. This led to delayed income for healthcare systems, impacting their ability to pay staff and potentially forcing some into financial turmoil. The resultant lack of care and delayed procedures may have affected patient health outcomes.

UnitedHealth Group (Change Healthcare)
Ransomware
Severity: 100
Impact: 5
Seen: 2/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: UnitedHealth Group’s subsidiary **Change Healthcare** suffered a **massive cyberattack** in February 2024, attributed to the **Blackcat (ALPHV) ransomware group**. The attack crippled critical systems, disrupting **billing, claims processing, and prescription services** across the U.S. healthcare sector. Hospitals, pharmacies, and providers faced **payment processing outages**, delaying patient care and financial transactions. The breach also exposed **sensitive patient data**, including medical records and personally identifiable information (PII), though the full scope of data theft remains under investigation. UnitedHealth was forced to **isolate affected systems**, leading to prolonged operational disruptions. The incident triggered **federal investigations**, with the U.S. Department of Health and Human Services (HHS) and the FBI involved. The financial and reputational damage was severe, with **stock drops** and **lawsuits** from affected parties. The attack underscored vulnerabilities in healthcare IT infrastructure, raising concerns about **future ransomware threats** to critical services.

UnitedHealth Group
Ransomware
Severity: 100
Impact: 4
Seen: 2/2025
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The ransomware attack on Change Healthcare, a component of UnitedHealth Group, reported on February 21, has been notably disruptive within the healthcare industry. This cyberattack is projected to result in financial damages approximating $1.6 billion. The incident has caused considerable perturbation amid providers contending with its extensive repercussions. Recovery efforts are hampered by the lack of clear communication from United Health and Change Healthcare, as providers await definitive instructions from the OCR regarding their reporting duties under HIPAA for this breach.

UnitedHealth Group
Ransomware
Severity: 100
Impact: 5
Seen: 5/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: UnitedHealth Group, the parent company of Change Healthcare, was affected by a ransomware attack that resulted in substantial operational disruption across the healthcare sector. Costs associated with the breach are projected to reach $1.6 billion. This breach compelled healthcare organizations to seek clarifications on their reporting obligations under HIPAA. While the extent of the compromised personal health information (PHI) is still being assessed, the situation highlights the complex challenges involved in managing and securing sensitive healthcare information in the digital age, alongside navigating the intricacies of legal and regulatory compliance.

UnitedHealth
Ransomware
Severity: 100
Impact: 5
Seen: 6/2025
Blog:
Rankiteo Explanation
Attack threatening the organization's existence

Description: UnitedHealth faced a significant ransomware attack where its subsidiary, Change Healthcare, was compromised. The attack disrupted pharmacy operations, leading to chaos and a desperate need to fill prescriptions. UnitedHealth ultimately paid $22 million in bitcoin to the ALPHV/BlackCat gang to restore services quickly.

UnitedHealth Group
Ransomware
Severity: 100
Impact: 5
Seen: 3/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: UnitedHealth Group experienced a ransomware attack on February 21, which disrupted their services including medical claim handling and revenue cycle services. This resulted in severe delays in processing claims, pushing healthcare providers towards financial distress, with some nearly facing bankruptcy. The attack by the group BlackCat forced UnitedHealth to rebuild services and affected providers have started filing lawsuits due to not maintaining adequate cybersecurity measures, with allegations of sensitive information leaks. UnitedHealth has paid over $2 billion to affected providers and the data compromised in the attack remains undisclosed.

UnitedHealthcare
Breach
Severity: 60
Impact: 4
Seen: 12/2022
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The California Office of the Attorney General reported that UnitedHealthcare experienced a data breach affecting individuals' health information. The breach was detected on December 29, 2022, and it involved unauthorized access to the UHC broker portal, affecting information from December 1, 2022, to January 25, 2023. The breach potentially exposed first and last names, member ID numbers, plan effective dates, and other plan-related information, but not Social Security numbers or financial account information.

UnitedHealthcare
Breach
Severity: 85
Impact: 4
Seen: 6/2003
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: On January 28, 2013, the California Office of the Attorney General reported a data breach involving RR Donnelley, which included the theft of an unencrypted computer containing personal information of UnitedHealthcare members. The specific date of the breach is unknown, but it occurred sometime between the second half of September and the end of November 2012. The information potentially compromised includes names, addresses, and Social Security numbers, and approximately 2003 health benefit plan members were affected.

UnitedHealthcare
Breach
Severity: 100
Impact: 5
Seen: 12/2024
Blog:
Rankiteo Explanation
Attack threatening the organization’s existence

Description: The CEO of UnitedHealthcare, Brian Thompson, was tragically shot and killed in New York City. The suspected shooter, Luigi Mangione, was arrested shortly thereafter. Police found evidence suggesting motivations related to healthcare system criticisms. Bullet casings at the scene had words inscribed that imply dissatisfaction with health insurance coverage processes. Authorities also found a manifesto carried by Mangione that condemned healthcare companies for prioritizing profits over care. This event has led to a significant impact on UnitedHealthcare’s reputation, with potential financial implications due to the loss of its CEO and the adverse publicity surrounding the circumstances of his death.

UnitedHealthcare
Breach
Severity: 100
Impact: 4
Seen: 08/2022
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The company experienced a data breach after filing official documents with the Attorney General of Texas. The breach resulted in the names, addresses, health insurance information, and medical information being compromised. Leaked healthcare data was indeed protected healthcare information. They had sufficient information about a patient to carry out healthcare identity fraud.

UnitedHealthcare
Cyber Attack
Severity: 60
Impact: 2
Seen: 12/2024
Blog:
Rankiteo Explanation
Attack limited on finance or reputation

Description: The CEO of UnitedHealthcare, Brian Thompson, was fatally shot in an incident involving Luigi Mangione, who was arrested in Pennsylvania. The shooter allegedly left behind bullet casings with words indicating a protest against healthcare insurance claim denials. The perpetrator carried a manifesto critical of healthcare companies' focus on profits over patient care. The case has drawn significant media attention, impacting the company’s reputation and possibly causing a financial setback due to concerns over the safety of its executives, potential legal issues, and the necessity for increased security measures.

UnitedHealthcare
Ransomware
Severity: 100
Impact: 4
Seen: 3/2023
Blog:
Rankiteo Explanation
Attack with significant impact with customers data leaks

Description: The Washington State Office of the Attorney General reported a data breach involving UnitedHealthcare on August 25, 2023. The breach, which was a ransomware attack discovered on April 17, 2023, affected approximately 1,025 Washington residents and involved compromised information including names, Social Security numbers, dates of birth, health insurance information, and medical information.

Ailogo

Optum 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 Optum

Incidents vs Hospitals and Health Care Industry Average (This Year)

No incidents recorded for Optum in 2025.

Incidents vs All-Companies Average (This Year)

No incidents recorded for Optum in 2025.

Incident Types Optum vs Hospitals and Health Care Industry Avg (This Year)

No incidents recorded for Optum in 2025.

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

Optum cyber incidents detection timeline including parent company and subsidiaries

Optum Company Subsidiaries

SubsidiaryImage

We’re evolving health care so everyone can have the opportunity to live their healthiest life. It’s why we put your unique needs at the heart of everything we do, making it easy and affordable to manage health and well-being. We are delivering the right care how and when it’s needed; providing support to make smarter and healthier choices; and making prescription services easier, while helping you save money along the way. It’s everything health care should be. Together, for better health. Optum is part of UnitedHealth Group (NYSE: UNH).

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newsone

Optum CyberSecurity News

November 15, 2025 03:04 AM
Nebraska’s lawsuit against Optum and Change Healthcare can move forward, judge rules

The UnitedHealth Group subsidiaries had attempted to have the case dismissed. However, a court rejected the motion.

November 07, 2025 04:50 AM
When Machines Defend Medicine: Anjan Kumar's AI-Driven Approach to Cybersecurity

Gundaboina's contributions to research, published in IEEE and Scopus-indexed journals, further solidify his status as a global thought...

September 19, 2025 07:00 AM
UnitedHealth Group Under Siege: DOJ Probes and Cyberattack Aftermath Shake Healthcare Giant

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faq

Frequently Asked Questions

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

Optum CyberSecurity History Information

Official Website of Optum

The official website of Optum is https://www.optum.com/en/.

Optum’s AI-Generated Cybersecurity Score

According to Rankiteo, Optum’s AI-generated cybersecurity score is 769, reflecting their Fair security posture.

How many security badges does Optum’ have ?

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

Does Optum have SOC 2 Type 1 certification ?

According to Rankiteo, Optum is not certified under SOC 2 Type 1.

Does Optum have SOC 2 Type 2 certification ?

According to Rankiteo, Optum does not hold a SOC 2 Type 2 certification.

Does Optum comply with GDPR ?

According to Rankiteo, Optum is not listed as GDPR compliant.

Does Optum have PCI DSS certification ?

According to Rankiteo, Optum does not currently maintain PCI DSS compliance.

Does Optum comply with HIPAA ?

According to Rankiteo, Optum is not compliant with HIPAA regulations.

Does Optum have ISO 27001 certification ?

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

Industry Classification of Optum

Optum operates primarily in the Hospitals and Health Care industry.

Number of Employees at Optum

Optum employs approximately 100,751 people worldwide.

Subsidiaries Owned by Optum

Optum presently has no subsidiaries across any sectors.

Optum’s LinkedIn Followers

Optum’s official LinkedIn profile has approximately 1,379,972 followers.

NAICS Classification of Optum

Optum is classified under the NAICS code 62, which corresponds to Health Care and Social Assistance.

Optum’s Presence on Crunchbase

No, Optum does not have a profile on Crunchbase.

Optum’s Presence on LinkedIn

Yes, Optum maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/optum.

Cybersecurity Incidents Involving Optum

As of November 27, 2025, Rankiteo reports that Optum has experienced 22 cybersecurity incidents.

Number of Peer and Competitor Companies

Optum has an estimated 29,991 peer or competitor companies worldwide.

What types of cybersecurity incidents have occurred at Optum ?

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

What was the total financial impact of these incidents on Optum ?

Total Financial Loss: The total financial loss from these incidents is estimated to be $27.87 billion.

How does Optum detect and respond to cybersecurity incidents ?

Detection and Response: The company detects and responds to cybersecurity incidents through an third party assistance with centers for medicare & medicaid services (cms), third party assistance with department of health and human services (hhs), and law enforcement notified with yes, and law enforcement notified with yes, and and remediation measures with wipe systems clean, remediation measures with restore from backups, remediation measures with thoroughly check for remaining threats..

Incident Details

Can you provide details on each incident ?

Incident : Data Breach

Title: Data Breach of Healthcare Information

Description: The company experienced a data breach after filing official documents with the Attorney General of Texas. The breach resulted in the names, addresses, health insurance information, and medical information being compromised. Leaked healthcare data was indeed protected healthcare information. They had sufficient information about a patient to carry out healthcare identity fraud.

Type: Data Breach

Incident : Cyber Incident

Title: Cyber Incident at Change Healthcare

Description: In late February, UnitedHealth Group's subsidiary Change Healthcare suffered a notable cyber incident, causing considerable disruptions within the healthcare system. This breach has impeded healthcare operations nationwide, most critically affecting the ability to submit claims and receive payments. The incident has drawn significant concern from various stakeholders within the healthcare community, raising cash flow issues among hospitals, doctors, pharmacies, and others. To mitigate the impact, the Centers for Medicare & Medicaid Services (CMS) have enacted several immediate measures to assist providers and ensure continued service to patients. The incident emphasizes the critical need for enhanced cybersecurity resilience throughout the healthcare ecosystem and has prompted the Department of Health and Human Services (HHS) to actively engage with federal bodies to provide threat intelligence to the industry and ensure a transparent, effective response to the cyberattack.

Date Detected: Late February

Type: Cyber Incident

Incident : Cybersecurity Breach

Title: Cybersecurity Breach at Change Healthcare Unit of UnitedHealth Group Inc.

Description: UnitedHealth Group Inc. experienced a substantial cybersecurity breach at its Change Healthcare unit, leading to significant financial repercussions. The breach resulted in immediate response costs and broader business disruption, totaling approximately $872 million in the first quarter, with projections of the total pre-tax cost reaching between $1.35 billion and $1.6 billion. Additionally, UnitedHealth is allocating $800 million as claims reserves, to address potential claims from providers due to interrupted services since the breach was reported on February 21. The breach has affected both the network security of Change Healthcare and the continuity of services to providers and partners.

Date Detected: 2023-02-21

Type: Cybersecurity Breach

Incident : Ransomware

Title: UnitedHealth Group Ransomware Attack

Description: UnitedHealth Group experienced a ransomware attack on February 21, which disrupted their services including medical claim handling and revenue cycle services. This resulted in severe delays in processing claims, pushing healthcare providers towards financial distress, with some nearly facing bankruptcy. The attack by the group BlackCat forced UnitedHealth to rebuild services and affected providers have started filing lawsuits due to not maintaining adequate cybersecurity measures, with allegations of sensitive information leaks. UnitedHealth has paid over $2 billion to affected providers and the data compromised in the attack remains undisclosed.

Date Detected: 2023-02-21

Type: Ransomware

Attack Vector: Ransomware

Threat Actor: BlackCat

Motivation: Financial Gain

Incident : Cyberattack

Title: Change Healthcare Cyberattack Impact on UnitedHealth Group

Description: UnitedHealth Group, a Minnesota-based health insurance company, reported substantial financial implications due to the Change Healthcare cyberattack, with estimated costs between $2.3 billion to $2.45 billion for 2024. This figure significantly exceeds earlier estimates by over $1 billion. While UnitedHealth has restored most services and provided considerable financial aid to healthcare providers, the cyberattack's repercussions include increased direct response costs and support initiatives, contributing to an adjusted per share impact of $1.90 to $2.05 for the year.

Type: Cyberattack

Incident : Cyberattack

Title: Change Healthcare Cyberattack on UnitedHealth Group

Description: UnitedHealth Group, a health insurance company, reported significant financial implications due to the Change Healthcare cyberattack, with estimated costs between $2.3 and $2.45 billion for 2024. This cyberattack has not only led to direct response costs but also necessitated substantial financial support for healthcare providers. Despite the breach, UnitedHealth managed revenue growth, signaling resilience amidst the cyber incident.

Type: Cyberattack

Incident : Cyberattack

Title: Cyberattack on Change Healthcare

Description: United Health Group encountered severe financial and operational disruptions due to the cyberattack on its subsidiary, Change Healthcare. The attack impaired medical billing and pre-authorization services, causing healthcare procedures to be delayed and prescriptions to be inaccessible. This led to delayed income for healthcare systems, impacting their ability to pay staff and potentially forcing some into financial turmoil. The resultant lack of care and delayed procedures may have affected patient health outcomes.

Type: Cyberattack

Incident : Ransomware

Title: Optum Cyber Incident

Description: The Optum incident exemplifies the risks of consolidating healthcare systems, where a cyberattack paralyzed medical billing and authorization services, resulting in patients experiencing delays in medical procedures and lack of access to prescription medications. Medical service providers could not bill insurance, leading to financial strain, missed salary payments, and some cases of severe financial difficulties. With a single point of failure due to consolidated services, a large portion of health systems and patient care became vulnerable to cyber threats.

Type: Ransomware

Incident : Physical Security Incident

Title: Assassination of UnitedHealthcare CEO Brian Thompson

Description: The CEO of UnitedHealthcare, Brian Thompson, was tragically shot and killed in New York City. The suspected shooter, Luigi Mangione, was arrested shortly thereafter. Police found evidence suggesting motivations related to healthcare system criticisms. Bullet casings at the scene had words inscribed that imply dissatisfaction with health insurance coverage processes. Authorities also found a manifesto carried by Mangione that condemned healthcare companies for prioritizing profits over care. This event has led to a significant impact on UnitedHealthcare’s reputation, with potential financial implications due to the loss of its CEO and the adverse publicity surrounding the circumstances of his death.

Type: Physical Security Incident

Attack Vector: Physical Assault

Threat Actor: Luigi Mangione

Motivation: Criticism of healthcare systemDissatisfaction with health insurance coverage processes

Incident : Physical Security Incident

Title: Fatal Shooting of UnitedHealthcare CEO

Description: The CEO of UnitedHealthcare, Brian Thompson, was fatally shot in an incident involving Luigi Mangione, who was arrested in Pennsylvania. The shooter allegedly left behind bullet casings with words indicating a protest against healthcare insurance claim denials. The perpetrator carried a manifesto critical of healthcare companies' focus on profits over patient care. The case has drawn significant media attention, impacting the company’s reputation and possibly causing a financial setback due to concerns over the safety of its executives, potential legal issues, and the necessity for increased security measures.

Type: Physical Security Incident

Attack Vector: Physical Violence

Threat Actor: Luigi Mangione

Motivation: Protest against healthcare insurance claim denialsCriticism of healthcare companies' focus on profits over patient care

Incident : Data Breach, Ransomware

Title: UnitedHealth Group Cyber-Attack

Description: UnitedHealth Group, parent company of Change Healthcare, reported a cyber-attack affecting 190 million individuals, an increase of 90 million from initial reports. As one of the largest healthcare payment processors, this incident is the most severe healthcare data breach of 2024. The breach, perpetrated by ransomware group ALPHV/Blackcat, led to substantial financial consequences with costs reaching $3.1 billion, according to the company's financial results. This breach has not only compromised the personal information of millions but also resulted in multiple lawsuits against UnitedHealth Group.

Type: Data Breach, Ransomware

Threat Actor: ALPHV/Blackcat

Incident : Ransomware

Title: Ransomware Attack on UnitedHealth Group and Change Healthcare

Description: UnitedHealth Group, the parent company of Change Healthcare, was affected by a ransomware attack that resulted in substantial operational disruption across the healthcare sector. Costs associated with the breach are projected to reach $1.6 billion. This breach compelled healthcare organizations to seek clarifications on their reporting obligations under HIPAA. While the extent of the compromised personal health information (PHI) is still being assessed, the situation highlights the complex challenges involved in managing and securing sensitive healthcare information in the digital age, alongside navigating the intricacies of legal and regulatory compliance.

Type: Ransomware

Incident : Ransomware

Title: Change Healthcare Cyber-Attack

Description: The Change Healthcare cyber-attack, acknowledged by parent company UnitedHealth Group, affected approximately 190 million individuals, marking a substantial increase from earlier reports. As one of the largest healthcare payment processing entities in the U.S., Change Healthcare's security breach, with losses totaling $3.1 billion, is considered the most severe healthcare data breach recorded in 2024. Behind this damaging cybersecurity incident is the ALPHV/Blackcat ransomware group, leading to multiple lawsuits against UnitedHealth Group.

Type: Ransomware

Threat Actor: ALPHV/Blackcat ransomware group

Incident : Cyberattack

Title: Cyberattack on Change Healthcare

Description: UnitedHealth Group faced a cyberattack on Change Healthcare, resulting in substantial financial repercussions projected to cost between $2.3 to $2.45 billion in 2024. This estimate is significantly higher than previous estimates, reflecting increased direct response expenses, financial support initiatives for care providers, and expenses related to consumer notification. Despite the impact of the cyberattack, UnitedHealth's revenue grew to $98.9 billion, indicating resilience in their operational performance.

Type: Cyberattack

Incident : Ransomware

Title: Ransomware Attack on Change Healthcare

Description: The ransomware attack on Change Healthcare, a component of UnitedHealth Group, reported on February 21, has been notably disruptive within the healthcare industry. This cyberattack is projected to result in financial damages approximating $1.6 billion. The incident has caused considerable perturbation amid providers contending with its extensive repercussions. Recovery efforts are hampered by the lack of clear communication from United Health and Change Healthcare, as providers await definitive instructions from the OCR regarding their reporting duties under HIPAA for this breach.

Date Detected: 2023-02-21

Type: Ransomware

Incident : Ransomware

Title: Ransomware Incident Analysis

Description: Computer screens all over your org are flashing up a warning that you've been infected by ransomware, or you've got a message that someone's been stealing information from your server. There's a growing market of firms that advise extortion victims on how to handle the situation, but that just adds another invoice to the injury, and some still prefer to go it alone. In the end, while a few companies do ignore ransom demands outright, all at least assess their options before deciding whether to negotiate, restore from backups, or pay up.

Type: Ransomware

Threat Actor: ALPHV/BlackCat gangLockBit

Motivation: Financial Gain

Incident : Data Breach

Title: UnitedHealthcare Data Breach

Description: Unauthorized access to the UHC broker portal, potentially exposing personal and plan-related information.

Date Detected: 2022-12-29

Type: Data Breach

Attack Vector: Unauthorized Access

Incident : Data Breach

Title: OptumRx Data Breach

Description: A data breach incident involving OptumRx where an unencrypted laptop belonging to a vendor was stolen, potentially exposing personal and health information.

Date Detected: 2016-03-16

Date Publicly Disclosed: 2016-04-08

Type: Data Breach

Attack Vector: Physical Theft

Vulnerability Exploited: Unencrypted Laptop

Threat Actor: Unknown

Motivation: Unknown

Incident : Data Breach

Title: RR Donnelley Data Breach

Description: Theft of an unencrypted computer containing personal information of UnitedHealthcare members.

Date Detected: 2013-01-28

Date Publicly Disclosed: 2013-01-28

Type: Data Breach

Attack Vector: Theft of Physical Device

Vulnerability Exploited: Unencrypted Data

Incident : Data Breach

Title: UnitedHealth Group Data Breach

Description: The California Office of the Attorney General reported a data breach involving UnitedHealth Group on March 30, 2012. The breach occurred from June 28, 2011 to December 12, 2011, potentially affecting personal information such as names, Social Security Numbers, and Medicare Healthcare Insurance Numbers, although the total number of individuals affected is unknown.

Date Detected: 2012-03-30

Date Publicly Disclosed: 2012-03-30

Type: Data Breach

Incident : Data Breach

Title: UnitedHealthcare Data Breach

Description: The Washington State Office of the Attorney General reported a data breach involving UnitedHealthcare on August 25, 2023. The breach, which was a ransomware attack discovered on April 17, 2023, affected approximately 1,025 Washington residents and involved compromised information including names, Social Security numbers, dates of birth, health insurance information, and medical information.

Date Detected: 2023-04-17

Date Publicly Disclosed: 2023-08-25

Type: Data Breach

Attack Vector: Ransomware

Incident : data breach

Title: Cyberattack on Indian Council of Medical Research (ICMR) Leads to Data Breach of 81.5 Crore Citizens

Description: A cyberattack on the Indian Council of Medical Research (ICMR) resulted in a massive data breach exposing sensitive personal and medical information of approximately 81.5 crore (815 million) Indian citizens. The breach, attributed to a threat actor known as 'pwn0001,' involved the sale of the stolen data on the dark web for $80,000. The compromised data includes Aadhaar and passport details, names, phone numbers, and addresses, raising significant concerns over identity theft and fraud. The ICMR has not yet publicly confirmed the breach, and the extent of the impact remains under investigation.

Type: data breach

Threat Actor: pwn0001

Motivation: financial gaindata theft

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 Ransomware.

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 UHC broker portal.

Impact of the Incidents

What was the impact of each incident ?

Incident : Data Breach UNI1211161222

Data Compromised: Names, Addresses, Health insurance information, Medical information

Identity Theft Risk: True

Incident : Cyber Incident UNI315051324

Systems Affected: Claim submission and payment systems

Operational Impact: Impeded healthcare operations nationwideCash flow issues among hospitals, doctors, pharmacies, and others

Incident : Cybersecurity Breach UNI457070524

Financial Loss: $872 million in the first quarter$1.35 billion to $1.6 billion total pre-tax cost

Systems Affected: Network security of Change HealthcareContinuity of services to providers and partners

Operational Impact: Interrupted services to providers

Incident : Ransomware UNI1012070724

Financial Loss: $2 billion

Systems Affected: Medical claim handlingRevenue cycle services

Downtime: Severe delays in processing claims

Operational Impact: Rebuild services

Legal Liabilities: Lawsuits filed by affected providers

Incident : Cyberattack UNI000072524

Financial Loss: $2.3 billion$2.45 billion

Incident : Cyberattack UNI000072624

Financial Loss: $2.3 billion$2.45 billion

Incident : Cyberattack UNI000092824

Systems Affected: Medical billingPre-authorization services

Operational Impact: Delayed healthcare proceduresInaccessible prescriptionsDelayed income for healthcare systems

Incident : Ransomware OPT001102824

Financial Loss: financial strainmissed salary paymentssevere financial difficulties

Systems Affected: medical billing servicesauthorization services

Operational Impact: delays in medical procedureslack of access to prescription medications

Incident : Physical Security Incident UNI000121024

Operational Impact: Loss of CEO

Brand Reputation Impact: Significant

Incident : Physical Security Incident UNI000121424

Financial Loss: Potential financial setback due to concerns over executive safety, potential legal issues, and increased security measures

Operational Impact: Impact on company’s reputation

Brand Reputation Impact: Significant media attention impacting the company’s reputation

Legal Liabilities: Potential legal issues

Incident : Data Breach, Ransomware UNI000013125

Financial Loss: $3.1 billion

Data Compromised: Personal information of 190 million individuals

Legal Liabilities: Multiple lawsuits

Incident : Ransomware UNI004032125

Financial Loss: $1.6 billion

Data Compromised: Personal Health Information (PHI)

Operational Impact: Substantial operational disruption

Incident : Ransomware UNI000032225

Financial Loss: $3.1 billion

Legal Liabilities: multiple lawsuits

Incident : Cyberattack UNI003032225

Financial Loss: $2.3 billion$2.45 billion

Incident : Ransomware UNI002033125

Financial Loss: $1.6 billion

Incident : Data Breach UNI543072525

Data Compromised: First and last names, Member id numbers, Plan effective dates, Other plan-related information

Systems Affected: UHC broker portal

Incident : Data Breach OPT846072525

Data Compromised: Names, Addresses, Health plan information, Prescription drug details, Dates of birth

Incident : Data Breach UNI532072725

Data Compromised: Names, Addresses, Social security numbers

Incident : Data Breach UNI146072825

Data Compromised: Names, Social security numbers, Medicare healthcare insurance numbers

Incident : Data Breach UNI648080525

Data Compromised: Names, Social security numbers, Dates of birth, Health insurance information, Medical information

Incident : data breach UNI1362813111425

Data Compromised: Aadhaar details, Passport details, Names, Phone numbers, Addresses, Medical records

Brand Reputation Impact: high (potential loss of public trust in ICMR's data security)

Identity Theft Risk: high

What is the average financial loss per incident ?

Average Financial Loss: The average financial loss per incident is $1.27 billion.

What types of data are most commonly compromised in incidents ?

Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Protected Healthcare Information, Personally Identifiable Information, , Personal information, Personal Health Information (PHI), Personal Information, Plan-Related Information, , Names, Addresses, Health Plan Information, Prescription Drug Details, Dates Of Birth, , Personal Information, , Names, Social Security Numbers, Medicare Healthcare Insurance Numbers, , Names, Social Security Numbers, Dates Of Birth, Health Insurance Information, Medical Information, , Personal Identifiable Information (Pii), Medical Records, Government-Issued Ids (Aadhaar, Passport) and .

Which entities were affected by each incident ?

Incident : Data Breach UNI1211161222

Entity Type: Healthcare

Industry: Healthcare

Incident : Cyber Incident UNI315051324

Entity Name: Change Healthcare

Entity Type: Subsidiary

Industry: Healthcare

Location: Nationwide

Customers Affected: Hospitals, Doctors, Pharmacies

Incident : Cybersecurity Breach UNI457070524

Entity Name: Change Healthcare Unit of UnitedHealth Group Inc.

Entity Type: Healthcare

Industry: Healthcare

Incident : Ransomware UNI1012070724

Entity Name: UnitedHealth Group

Entity Type: Healthcare

Industry: Healthcare

Incident : Cyberattack UNI000072524

Entity Name: UnitedHealth Group

Entity Type: Health Insurance Company

Industry: Healthcare

Location: Minnesota

Incident : Cyberattack UNI000072624

Entity Name: UnitedHealth Group

Entity Type: Health Insurance Company

Industry: Healthcare

Incident : Cyberattack UNI000092824

Entity Name: Change Healthcare

Entity Type: Subsidiary

Industry: Healthcare

Incident : Ransomware OPT001102824

Entity Name: Optum

Entity Type: Healthcare

Industry: Healthcare

Incident : Physical Security Incident UNI000121024

Entity Name: UnitedHealthcare

Entity Type: Corporation

Industry: Healthcare

Location: New York City

Incident : Physical Security Incident UNI000121424

Entity Name: UnitedHealthcare

Entity Type: Healthcare Company

Industry: Healthcare

Location: Pennsylvania

Incident : Data Breach, Ransomware UNI000013125

Entity Name: UnitedHealth Group

Entity Type: Parent Company

Industry: Healthcare

Size: Large

Customers Affected: 190 million individuals

Incident : Data Breach, Ransomware UNI000013125

Entity Name: Change Healthcare

Entity Type: Subsidiary

Industry: Healthcare

Size: Large

Incident : Ransomware UNI004032125

Entity Name: UnitedHealth Group

Entity Type: Corporation

Industry: Healthcare

Incident : Ransomware UNI004032125

Entity Name: Change Healthcare

Entity Type: Subsidiary

Industry: Healthcare

Incident : Ransomware UNI000032225

Entity Name: Change Healthcare

Entity Type: Company

Industry: Healthcare

Location: U.S.

Customers Affected: 190 million individuals

Incident : Cyberattack UNI003032225

Entity Name: UnitedHealth Group

Entity Type: Healthcare

Industry: Healthcare

Incident : Ransomware UNI002033125

Entity Name: Change Healthcare

Entity Type: Healthcare

Industry: Healthcare

Incident : Ransomware UNI721060625

Entity Name: ['Colonial Pipeline', 'UnitedHealth', 'Change Healthcare', 'PowerSchool']

Entity Type: Organization

Incident : Data Breach UNI543072525

Entity Name: UnitedHealthcare

Entity Type: Health Insurance Provider

Industry: Healthcare

Incident : Data Breach OPT846072525

Entity Name: OptumRx

Entity Type: Healthcare

Industry: Healthcare

Location: Indianapolis, Indiana

Customers Affected: UNKN

Incident : Data Breach UNI532072725

Entity Name: RR Donnelley

Entity Type: Company

Industry: Printing and Marketing Services

Customers Affected: 2003

Incident : Data Breach UNI146072825

Entity Name: UnitedHealth Group

Entity Type: Healthcare

Industry: Healthcare

Incident : Data Breach UNI648080525

Entity Name: UnitedHealthcare

Entity Type: Health Insurance Company

Industry: Healthcare

Location: Washington

Customers Affected: 1025

Incident : data breach UNI1362813111425

Entity Name: Indian Council of Medical Research (ICMR)

Entity Type: government agency

Industry: healthcare and medical research

Location: India

Customers Affected: 81.5 crore (815 million) citizens

Response to the Incidents

What measures were taken in response to each incident ?

Incident : Cyber Incident UNI315051324

Third Party Assistance: Centers For Medicare & Medicaid Services (Cms), Department Of Health And Human Services (Hhs).

Incident : Physical Security Incident UNI000121024

Law Enforcement Notified: Yes

Incident : Physical Security Incident UNI000121424

Law Enforcement Notified: Yes

Incident : Ransomware UNI721060625

Remediation Measures: Wipe systems cleanRestore from backupsThoroughly check for remaining threats

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

Third-Party Assistance: The company involves third-party assistance in incident response through Centers for Medicare & Medicaid Services (CMS), Department of Health and Human Services (HHS), , .

Data Breach Information

What type of data was compromised in each breach ?

Incident : Data Breach UNI1211161222

Type of Data Compromised: Protected healthcare information, Personally identifiable information

Sensitivity of Data: High

Incident : Data Breach, Ransomware UNI000013125

Type of Data Compromised: Personal information

Number of Records Exposed: 190 million

Incident : Ransomware UNI004032125

Type of Data Compromised: Personal Health Information (PHI)

Sensitivity of Data: High

Incident : Data Breach UNI543072525

Type of Data Compromised: Personal information, Plan-related information

Sensitivity of Data: Medium

Personally Identifiable Information: First and last namesMember ID numbers

Incident : Data Breach OPT846072525

Type of Data Compromised: Names, Addresses, Health plan information, Prescription drug details, Dates of birth

Number of Records Exposed: UNKN

Sensitivity of Data: High

Data Encryption: No

Personally Identifiable Information: Yes

Incident : Data Breach UNI532072725

Type of Data Compromised: Personal information

Number of Records Exposed: 2003

Sensitivity of Data: High

Data Encryption: No

Personally Identifiable Information: Yes

Incident : Data Breach UNI146072825

Type of Data Compromised: Names, Social security numbers, Medicare healthcare insurance numbers

Sensitivity of Data: High

Incident : Data Breach UNI648080525

Type of Data Compromised: Names, Social security numbers, Dates of birth, Health insurance information, Medical information

Number of Records Exposed: 1025

Sensitivity of Data: High

Incident : data breach UNI1362813111425

Type of Data Compromised: Personal identifiable information (pii), Medical records, Government-issued ids (aadhaar, passport)

Number of Records Exposed: 81.5 crore (815 million)

Sensitivity of Data: high (includes Aadhaar, passport, and medical data)

What measures does the company take to prevent data exfiltration ?

Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: Wipe systems clean, Restore from backups, Thoroughly check for remaining threats, .

Ransomware Information

Was ransomware involved in any of the incidents ?

Incident : Ransomware UNI1012070724

Ransomware Strain: BlackCat

Incident : Data Breach, Ransomware UNI000013125

Ransomware Strain: ALPHV/Blackcat

Incident : Ransomware UNI000032225

Ransomware Strain: ALPHV/Blackcat

Incident : Ransomware UNI721060625

Ransom Paid: $22 million in bitcoin

Ransomware Strain: ALPHV/BlackCatLockBit

Regulatory Compliance

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

Incident : Ransomware UNI1012070724

Legal Actions: Lawsuits filed by affected providers

Incident : Data Breach, Ransomware UNI000013125

Legal Actions: Multiple lawsuits

Incident : Ransomware UNI004032125

Regulations Violated: HIPAA

Incident : Ransomware UNI000032225

Legal Actions: multiple lawsuits,

Incident : Ransomware UNI002033125

Regulatory Notifications: HIPAA

How does the company ensure compliance with regulatory requirements ?

Ensuring Regulatory Compliance: The company ensures compliance with regulatory requirements through Lawsuits filed by affected providers, Multiple lawsuits, multiple lawsuits, .

Lessons Learned and Recommendations

What lessons were learned from each incident ?

Incident : Cyber Incident UNI315051324

Lessons Learned: The critical need for enhanced cybersecurity resilience throughout the healthcare ecosystem

What are the key lessons learned from past incidents ?

Key Lessons Learned: The key lessons learned from past incidents are The critical need for enhanced cybersecurity resilience throughout the healthcare ecosystem.

References

Where can I find more information about each incident ?

Incident : Data Breach UNI543072525

Source: California Office of the Attorney General

Incident : Data Breach OPT846072525

Source: California Office of the Attorney General

Date Accessed: 2016-04-08

Incident : Data Breach UNI532072725

Source: California Office of the Attorney General

Date Accessed: 2013-01-28

Incident : Data Breach UNI146072825

Source: California Office of the Attorney General

Date Accessed: 2012-03-30

Incident : Data Breach UNI648080525

Source: Washington State Office of the Attorney General

Date Accessed: 2023-08-25

Incident : data breach UNI1362813111425

Source: The Cyber Express

URL: https://tinyurl.com/46j93hew

Where can stakeholders find additional resources on cybersecurity best practices ?

Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: California Office of the Attorney General, and Source: California Office of the Attorney GeneralDate Accessed: 2016-04-08, and Source: California Office of the Attorney GeneralDate Accessed: 2013-01-28, and Source: California Office of the Attorney GeneralDate Accessed: 2012-03-30, and Source: Washington State Office of the Attorney GeneralDate Accessed: 2023-08-25, and Source: The Cyber ExpressUrl: https://tinyurl.com/46j93hew.

Investigation Status

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

Incident : Physical Security Incident UNI000121424

Investigation Status: Ongoing

Incident : data breach UNI1362813111425

Investigation Status: ongoing (unconfirmed by ICMR)

Initial Access Broker

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

Incident : Data Breach UNI543072525

Entry Point: UHC broker portal

Incident : data breach UNI1362813111425

High Value Targets: Aadhaar Data, Passport Data, Medical Records,

Data Sold on Dark Web: Aadhaar Data, Passport Data, Medical Records,

Post-Incident Analysis

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 Centers For Medicare & Medicaid Services (Cms), Department Of Health And Human Services (Hhs), , .

Additional Questions

General Information

Has the company ever paid ransoms ?

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

Who was the attacking group in the last incident ?

Last Attacking Group: The attacking group in the last incident were an BlackCat, Luigi Mangione, Luigi Mangione, ALPHV/Blackcat, ALPHV/Blackcat ransomware group, ALPHV/BlackCat gangLockBit, Unknown and pwn0001.

Incident Details

What was the most recent incident detected ?

Most Recent Incident Detected: The most recent incident detected was on Late February.

What was the most recent incident publicly disclosed ?

Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2023-08-25.

Impact of the Incidents

What was the highest financial loss from an incident ?

Highest Financial Loss: The highest financial loss from an incident was $3.1 billion.

What was the most significant data compromised in an incident ?

Most Significant Data Compromised: The most significant data compromised in an incident were names, addresses, health insurance information, medical information, , Personal information of 190 million individuals, Personal Health Information (PHI), First and last names, Member ID numbers, Plan effective dates, Other plan-related information, , Names, Addresses, Health Plan Information, Prescription Drug Details, Dates of Birth, , Names, Addresses, Social Security numbers, , names, Social Security Numbers, Medicare Healthcare Insurance Numbers, , names, Social Security numbers, dates of birth, health insurance information, medical information, , Aadhaar details, passport details, names, phone numbers, addresses, medical records and .

What was the most significant system affected in an incident ?

Most Significant System Affected: The most significant system affected in an incident was Claim submission and payment systems and Network security of Change HealthcareContinuity of services to providers and partners and Medical claim handlingRevenue cycle services and Medical billingPre-authorization services and medical billing servicesauthorization services and UHC broker portal.

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 centers for medicare & medicaid services (cms), department of health and human services (hhs), , .

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 Personal Health Information (PHI), health insurance information, Dates of Birth, Prescription Drug Details, Other plan-related information, passport details, First and last names, Personal information of 190 million individuals, Social Security numbers, addresses, Health Plan Information, Medicare Healthcare Insurance Numbers, medical records, Social Security Numbers, dates of birth, Aadhaar details, Member ID numbers, medical information, Names, Addresses, Plan effective dates, phone numbers and names.

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 1.0B.

Ransomware Information

What was the highest ransom paid in a ransomware incident ?

Highest Ransom Paid: The highest ransom paid in a ransomware incident was ['$22 million in bitcoin'].

Regulatory Compliance

What was the most significant legal action taken for a regulatory violation ?

Most Significant Legal Action: The most significant legal action taken for a regulatory violation was Lawsuits filed by affected providers, Multiple lawsuits, multiple lawsuits, .

Lessons Learned and Recommendations

What was the most significant lesson learned from past incidents ?

Most Significant Lesson Learned: The most significant lesson learned from past incidents was The critical need for enhanced cybersecurity resilience throughout the healthcare ecosystem.

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 The Cyber Express, California Office of the Attorney General and Washington State 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 https://tinyurl.com/46j93hew .

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 was an UHC broker portal.

cve

Latest Global CVEs (Not Company-Specific)

Description

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.16, 20.3.14, and 21.0.1, there is a XSRF token leakage via protocol-relative URLs in angular HTTP clients. The vulnerability is a Credential Leak by App Logic that leads to the unauthorized disclosure of the Cross-Site Request Forgery (XSRF) token to an attacker-controlled domain. Angular's HttpClient has a built-in XSRF protection mechanism that works by checking if a request URL starts with a protocol (http:// or https://) to determine if it is cross-origin. If the URL starts with protocol-relative URL (//), it is incorrectly treated as a same-origin request, and the XSRF token is automatically added to the X-XSRF-TOKEN header. This issue has been patched in versions 19.2.16, 20.3.14, and 21.0.1. A workaround for this issue involves avoiding using protocol-relative URLs (URLs starting with //) in HttpClient requests. All backend communication URLs should be hardcoded as relative paths (starting with a single /) or fully qualified, trusted absolute URLs.

Risk Information
cvss4
Base: 7.7
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/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

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. An Uncontrolled Recursion vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft deep ASN.1 structures that trigger unbounded recursive parsing. This leads to a Denial-of-Service (DoS) via stack exhaustion when parsing untrusted DER inputs. This issue has been patched in version 1.3.2.

Risk Information
cvss4
Base: 8.7
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. An Integer Overflow vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft ASN.1 structures containing OIDs with oversized arcs. These arcs may be decoded as smaller, trusted OIDs due to 32-bit bitwise truncation, enabling the bypass of downstream OID-based security decisions. This issue has been patched in version 1.3.2.

Risk Information
cvss4
Base: 6.3
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/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
Description

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, working with large buffers in Lua scripts can lead to a stack overflow. Users of Lua rules and output scripts may be affected when working with large buffers. This includes a rule passing a large buffer to a Lua script. This issue has been patched in versions 7.0.13 and 8.0.2. A workaround for this issue involves disabling Lua rules and output scripts, or making sure limits, such as stream.depth.reassembly and HTTP response body limits (response-body-limit), are set to less than half the stack size.

Risk Information
cvss3
Base: 7.5
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.

Risk Information
cvss3
Base: 7.5
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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