Well being tech large TriZetto has confirmed that greater than 3.4 million folks’s private and well being data was stolen in a 2024 cyberattack, which the corporate did not detect for nearly a yr.
The tech firm, owned by multinational conglomerate Cognizant, serves around 200 million people throughout 875,000 healthcare suppliers all through the U.S., in response to its web site. Medical doctors’ places of work and healthcare suppliers use TriZetto to evaluate sufferers’ insurance coverage for medical therapies.
TriZetto mentioned in a filing with Maine’s attorney general on Friday that hackers stole sufferers’ insurance coverage eligibility transaction reviews from the corporate’s servers.
The information contains private data like sufferers’ names, dates of beginning, house addresses, and Social Safety numbers, in addition to details about their healthcare, akin to their supplier’s identify, demographic information, and well being and insurance coverage particulars.
TriZetto mentioned it recognized the breach on October 2, 2025, however later found that the hackers had entry way back to November 2024.
A spokesperson for Cognizant didn’t instantly reply to a request for remark, together with why it took the corporate a yr to detect the breach.
A number of organizations have confirmed that their sufferers’ data was compromised within the cyberattack. Considered one of these is OCHIN, a nonprofit consultancy agency that gives healthcare know-how to some 300 rural and neighborhood care suppliers throughout the USA. Different healthcare suppliers throughout California have additionally confirmed.
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In response to TriZetto, not each buyer was affected by the breach.
TriZetto is the most recent main well being tech firm to verify a hack lately.
In 2024, a ransomware assault at Change Healthcare, one other well being tech large that processes some 15 billion healthcare transactions, allowed hackers to make off with greater than 192 million affected person recordsdata. The cyberattack sparked outages throughout the U.S., leaving many with out entry to medical therapies or drugs.
