- The TriZetto breach exposed the data of 3.4 million people
- Attackers siphoned off sensitive patient and insurance records for nearly a year
- Company that offers post-discovery identity monitoring services
The TriZetto data breach may have been going on for almost a year and affected around 3.4 million people, it has admitted.
The company submitted a new data breach notification to the Office of the Maine Attorney General and began notifying affected individuals of the incident, noting that it detected “suspicious activity on a web portal that some of TPS’ healthcare provider customers use to access our system” on October 2, 2025.
The follow-up investigation determined that an unnamed threat actor gained access to the system in November 2024 and until October 2025 has stolen patient data.
Payment data secure
The data includes names, dates of birth, social security numbers (SSN), health insurance membership numbers, provider names, health insurance names, primary insured information and other demographic, health and health insurance information. TriZetto emphasized that payment card, bank account and other financial information was not affected by this incident.
“At this time, we are not aware of any identity theft or fraud related to the use of an affected person’s information,” it added, although data like this may appear on the dark web even years later.
In the Maine AG filing, the company said exactly 3,433,965 people were affected. To help them, TriZetto offers free identity theft monitoring through Kroll.
TechCrunch says several organizations have already confirmed their patients’ information was compromised in this breach, including OCHIN, a non-profit that provides health technology to rural and community care providers.
Given the sensitivity of the data they create and store, healthcare organizations are among the most popular targets for cybercriminals.
TriZetto (TPS) is a healthcare technology company that builds software and similar tools for health insurance companies, hospitals and other healthcare organizations. The tools are mostly designed for administrative and financial processes.
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