PHC
Company Details
Linkedin ID:
petaluma-health-center
Website:
Employees number:
311
Number of followers:
2,450
NAICS:
62
Industry Type:
Homepage:
phealthcenter.org
IP Addresses:
0
Company ID:
PET_2618488
Scan Status:
In-progress
Petaluma Health Center Company CyberSecurity Posture
phealthcenter.org
Petaluma Health Center's mission is to provide high quality health care with access for all in southern Sonoma County. *Petaluma Health Center is a six-time award winner in the North Bay Business Journal’s Best Places to Work for 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 and 2009. *We were named as one of "Healthiest Companies in the North Bay" by North Bay Business Journal in 2015, 2016 and 2017. *Our staff members share the goal of offering patients the best possible care, and we are using a new, innovative “home team” care approach. Staff positions offer an outstanding benefits package including: Medical, dental, and vision care 401K, FSA, HSA Life insurance, AD&D, long-term disability Physician loan repayment and more.
Petaluma Health Center A.I CyberSecurity Scoring
PHC Risk Score (AI oriented)Between 650 and 699
PHC
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PHC
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PHC Company CyberSecurity News & History
Past Incidents
2
Attack Types
1
TriZetto Healthcare ProductsTriZetto, OCHIN and Petaluma Health Center: Petaluma Health Center Data Breach Investigation
Breach
Rankiteo Explanation
Attack with significant impact with customers data leaks
Description: Petaluma Health Center Data Breach Exposes Sensitive Patient Information Petaluma Health Center recently disclosed a data breach affecting sensitive personal and health-related information of its patients. On December 15, 2025, the center was alerted by its electronic medical record system, OCHIN, that an unauthorized individual had accessed a system belonging to TriZetto, a third-party vendor working with OCHIN. TriZetto’s investigation confirmed that patient data linked to Petaluma Health Center may have been exposed during the breach. The compromised information varies by individual but includes names, Social Security numbers, dates of birth, contact details, and health or insurance-related data. In response, Petaluma Health Center began notifying affected individuals via mail, detailing the specific types of information impacted. The center and TriZetto are also offering complimentary credit monitoring services to those affected. The breach notice was filed with the California Attorney General’s office.
Petaluma Health Center
Breach
Rankiteo Explanation
Attack with significant impact with customers data leaks
Description: The Petaluma Health Center experienced a data breach reported by the California Office of the Attorney General on June 2, 2023, though the incident itself occurred on March 14, 2023. Unauthorized actors gained access to the organization’s network, compromising sensitive personal and medical data. The exposed information included names, addresses, Social Security numbers, and medical records, though the exact number of affected individuals remains undisclosed. As a healthcare provider, the breach poses significant risks, including potential identity theft, financial fraud, and misuse of protected health information (PHI). The incident underscores vulnerabilities in safeguarding patient data, particularly in sectors handling highly sensitive records. While no immediate evidence of data misuse was reported, the exposure of such critical details elevates concerns over long-term privacy and security repercussions for those impacted. The breach also raises regulatory scrutiny, as healthcare entities are bound by strict compliance frameworks like HIPAA, potentially leading to legal and reputational consequences for the center.
PHC Company Scoring based on AI Models
Cyber Incidents Likelihood 3 - 6 - 9 months
A.I Risk Score Likelihood 3 - 6 - 9 months
Underwriter Stats for PHC
Incidents vs Hospitals and Health Care Industry Average (This Year)
No incidents recorded for Petaluma Health Center in 2026.
Incidents vs All-Companies Average (This Year)
No incidents recorded for Petaluma Health Center in 2026.
Incident Types PHC vs Hospitals and Health Care Industry Avg (This Year)
No incidents recorded for Petaluma Health Center in 2026.
Incident History — PHC (X = Date, Y = Severity)
PHC cyber incidents detection timeline including parent company and subsidiaries
PHC Company Subsidiaries
Petaluma Health Center's mission is to provide high quality health care with access for all in southern Sonoma County. *Petaluma Health Center is a six-time award winner in the North Bay Business Journal’s Best Places to Work for 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 and 2009. *We were named as one of "Healthiest Companies in the North Bay" by North Bay Business Journal in 2015, 2016 and 2017. *Our staff members share the goal of offering patients the best possible care, and we are using a new, innovative “home team” care approach. Staff positions offer an outstanding benefits package including: Medical, dental, and vision care 401K, FSA, HSA Life insurance, AD&D, long-term disability Physician loan repayment and more.
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PHC CyberSecurity News
January 22, 2026 08:00 AM
Petaluma Health Center Data Breach Investigation
Strauss Borrelli PLLC, a leading data breach law firm, is investigating Petaluma Health Center regarding its recent data breach.
November 06, 2025 08:00 AM
Federally Qualified Health Center Reports Ransomware Breach
Central Jersey Medical Center, a federally qualified health center that partners with public schools in Newark, New Jersey, is notifying an...
Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
PHC CyberSecurity History Information
Official Website of Petaluma Health Center
The official website of Petaluma Health Center is http://www.phealthcenter.org.
Petaluma Health Center’s AI-Generated Cybersecurity Score
According to Rankiteo, Petaluma Health Center’s AI-generated cybersecurity score is 671, reflecting their Weak security posture.
How many security badges does Petaluma Health Center’ have ?
According to Rankiteo, Petaluma Health Center currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
Has Petaluma Health Center been affected by any supply chain cyber incidents ?
According to Rankiteo, Petaluma Health Center has been affected by a supply chain cyber incident involving TriZetto Healthcare Products, with the incident ID TRIOCHPET1769201334.
Does Petaluma Health Center have SOC 2 Type 1 certification ?
According to Rankiteo, Petaluma Health Center is not certified under SOC 2 Type 1.
Does Petaluma Health Center have SOC 2 Type 2 certification ?
According to Rankiteo, Petaluma Health Center does not hold a SOC 2 Type 2 certification.
Does Petaluma Health Center comply with GDPR ?
According to Rankiteo, Petaluma Health Center is not listed as GDPR compliant.
Does Petaluma Health Center have PCI DSS certification ?
According to Rankiteo, Petaluma Health Center does not currently maintain PCI DSS compliance.
Does Petaluma Health Center comply with HIPAA ?
According to Rankiteo, Petaluma Health Center is not compliant with HIPAA regulations.
Does Petaluma Health Center have ISO 27001 certification ?
According to Rankiteo,Petaluma Health Center is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Industry Classification of Petaluma Health Center
Petaluma Health Center operates primarily in the Hospitals and Health Care industry.
Number of Employees at Petaluma Health Center
Petaluma Health Center employs approximately 311 people worldwide.
Subsidiaries Owned by Petaluma Health Center
Petaluma Health Center presently has no subsidiaries across any sectors.
Petaluma Health Center’s LinkedIn Followers
Petaluma Health Center’s official LinkedIn profile has approximately 2,450 followers.
NAICS Classification of Petaluma Health Center
Petaluma Health Center is classified under the NAICS code 62, which corresponds to Health Care and Social Assistance.
Petaluma Health Center’s Presence on Crunchbase
Yes, Petaluma Health Center has an official profile on Crunchbase, which can be accessed here: https://www.crunchbase.com/organization/petaluma-health-center.
Petaluma Health Center’s Presence on LinkedIn
Yes, Petaluma Health Center maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/petaluma-health-center.
Cybersecurity Incidents Involving Petaluma Health Center
As of January 25, 2026, Rankiteo reports that Petaluma Health Center has experienced 2 cybersecurity incidents.
Number of Peer and Competitor Companies
Petaluma Health Center has an estimated 31,618 peer or competitor companies worldwide.
What types of cybersecurity incidents have occurred at Petaluma Health Center ?
Incident Types: The types of cybersecurity incidents that have occurred include Breach.
How does Petaluma Health Center detect and respond to cybersecurity incidents ?
Detection and Response: The company detects and responds to cybersecurity incidents through an third party assistance with trizetto (investigation), and remediation measures with notification to affected individuals, complimentary credit monitoring services, and communication strategy with mail notifications to affected individuals, breach notice filed with california attorney general’s office..
Incident Details
Can you provide details on each incident ?
Title: Data Breach at Petaluma Health Center
Description: The California Office of the Attorney General reported a data breach involving Petaluma Health Center on June 2, 2023. The breach occurred on March 14, 2023, and involved unauthorized access to the network, potentially exposing personal information such as names, addresses, Social Security numbers, and medical information, although the number of individuals affected was not specified.
Date Detected: 2023-03-14
Date Publicly Disclosed: 2023-06-02
Type: Data Breach
Title: Petaluma Health Center Data Breach Exposes Sensitive Patient Information
Description: Petaluma Health Center recently disclosed a data breach affecting sensitive personal and health-related information of its patients. On December 15, 2025, the center was alerted by its electronic medical record system, OCHIN, that an unauthorized individual had accessed a system belonging to TriZetto, a third-party vendor working with OCHIN. TriZetto’s investigation confirmed that patient data linked to Petaluma Health Center may have been exposed during the breach. The compromised information varies by individual but includes names, Social Security numbers, dates of birth, contact details, and health or insurance-related data.
Date Detected: 2025-12-15
Type: Data Breach
Attack Vector: Third-party vendor compromise
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.
Impact of the Incidents
What was the impact of each incident ?
Incident : Data Breach PET958091725
Data Compromised: Names, Addresses, Social security numbers, Medical information
Identity Theft Risk: Potential (due to exposed PII)
Incident : Data Breach TRIOCHPET1769201334
Data Compromised: Sensitive personal and health-related information
Systems Affected: TriZetto's system (third-party vendor for OCHIN)
Identity Theft Risk: High
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 (Pii), Protected Health Information (Phi), , Names, Social Security Numbers, Dates Of Birth, Contact Details, Health Or Insurance-Related Data and .
Which entities were affected by each incident ?
Incident : Data Breach PET958091725
Entity Name: Petaluma Health Center
Entity Type: Healthcare Provider
Industry: Healthcare
Location: Petaluma, California, USA
Incident : Data Breach TRIOCHPET1769201334
Entity Name: Petaluma Health Center
Entity Type: Healthcare Provider
Industry: Healthcare
Location: Petaluma, California, USA
Customers Affected: Patients
Response to the Incidents
What measures were taken in response to each incident ?
Incident : Data Breach TRIOCHPET1769201334
Third Party Assistance: TriZetto (investigation)
Remediation Measures: Notification to affected individuals, complimentary credit monitoring services
Communication Strategy: Mail notifications to affected individuals, breach notice filed with California Attorney General’s office
How does the company involve third-party assistance in incident response ?
Third-Party Assistance: The company involves third-party assistance in incident response through TriZetto (investigation).
Data Breach Information
What type of data was compromised in each breach ?
Incident : Data Breach PET958091725
Type of Data Compromised: Personal information (pii), Protected health information (phi)
Sensitivity of Data: High (includes SSNs and medical data)
Personally Identifiable Information: namesaddressesSocial Security numbers
Incident : Data Breach TRIOCHPET1769201334
Type of Data Compromised: Names, Social security numbers, Dates of birth, Contact details, Health or insurance-related data
Sensitivity of Data: High
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: Notification to affected individuals, complimentary credit monitoring services.
Regulatory Compliance
Were there any regulatory violations and fines imposed for each incident ?
Incident : Data Breach PET958091725
Regulations Violated: Potential HIPAA violation (if PHI was exposed), California Consumer Privacy Act (CCPA),
Regulatory Notifications: California Office of the Attorney General
Incident : Data Breach TRIOCHPET1769201334
Regulations Violated: HIPAA (potential),
Regulatory Notifications: California Attorney General’s office
References
Where can I find more information about each incident ?
Incident : Data Breach PET958091725
Source: California Office of the Attorney General
Date Accessed: 2023-06-02
Incident : Data Breach TRIOCHPET1769201334
Source: Petaluma Health Center Breach Notice
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 GeneralDate Accessed: 2023-06-02, and Source: Petaluma Health Center Breach Notice.
Investigation Status
What is the current status of the investigation for each incident ?
Incident : Data Breach TRIOCHPET1769201334
Investigation Status: Ongoing
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 Mail notifications to affected individuals and breach notice filed with California Attorney General’s office.
Stakeholder and Customer Advisories
Were there any advisories issued to stakeholders or customers for each incident ?
Incident : Data Breach TRIOCHPET1769201334
Customer Advisories: Mail notifications to affected individuals
What advisories does the company provide to stakeholders and customers following an incident ?
Advisories Provided: The company provides the following advisories to stakeholders and customers following an incident: was Mail notifications to affected individuals.
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 TriZetto (investigation).
Additional Questions
Incident Details
What was the most recent incident detected ?
Most Recent Incident Detected: The most recent incident detected was on 2023-03-14.
What was the most recent incident publicly disclosed ?
Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2023-06-02.
Impact of the Incidents
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, Social Security numbers, medical information, and Sensitive personal and health-related information.
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 TriZetto (investigation).
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 information, addresses, Sensitive personal and health-related information, names and Social Security numbers.
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 Petaluma Health Center Breach Notice and California Office of the Attorney General.
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.
Stakeholder and Customer Advisories
What was the most recent customer advisory issued ?
Most Recent Customer Advisory: The most recent customer advisory issued was an Mail notifications to affected individuals.
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CMDB (Configuration Management Database)
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