San Fernando Community Health Center Breach Incident Score: Analysis & Impact (OCHTRISAN1768259195)

In this Rankiteo incident briefing, we review the San Fernando Community Health Center breach identified under incident ID OCHTRISAN1768259195.

The analysis begins with a detailed overview of San Fernando Community Health Center's information like the linkedin page: https://www.linkedin.com/company/sanfernandochc, the number of followers: 249, the industry type: Hospitals and Health Care and the number of employees: 45 employees

After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 762 and after the incident was 698 with a difference of -64 which is could be a good indicator of the severity and impact of the incident.

In the next step of the video, we will analyze in more details the incident and the impact it had on San Fernando Community Health Center and their customers.

On 12 December 2025, San Francisco Community Health Center (SFCHC) disclosed Data Breach issues under the banner "SFCHC Data Breach Involving TriZetto Provider Solutions".

SFCHC reported a data breach where sensitive personal identifiable information and protected health information may have been compromised.

The disruption is felt across the environment, affecting TriZetto Provider Solutions systems (healthcare eligibility and claims clearinghouse), and exposing Sensitive personal identifiable information and protected health information.

In response, and began remediation that includes Review of impacted data, identification of affected individuals, and mailing of data breach notification letters, and stakeholders are being briefed through Data breach notification letters mailed to impacted individuals; breach notice filed with the Attorney General of California.

The case underscores how Ongoing, and recommending next steps like Provision of complimentary credit monitoring services to affected individuals, with advisories going out to stakeholders covering Data breach notification letters mailed to impacted individuals with details of the incident and complimentary credit monitoring services.

Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.

The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Supply Chain Compromise (T1195) with high confidence (90%), with evidence including stemming from a security incident at one of its business associates, and triZetto Provider Solutions, a subcontractor handling healthcare eligibility and Trusted Relationship (T1199) with moderate to high confidence (80%), with evidence including oCHIN, a vendor managing its electronic health record system, and triZetto, a subcontractor of OCHIN. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate to high confidence (70%), with evidence including healthcare eligibility and claims clearinghouse systems accessed, and unauthorized access to sensitive data and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating triZetto’s investigation confirmed unauthorized access to its systems. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating names, Social Security numbers, addresses, dates of birth, health insurance details compromised and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating healthcare eligibility and claims clearinghouse systems affected. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), with evidence including unauthorized third party may have accessed patient data, and data breach affecting patient information and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating no details on data exfiltration method, but third-party access confirmed. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no evidence of data destruction, but unauthorized access occurred and Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating sensitive data accessed, potential for manipulation. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.