TriZetto confirms 3.4M people’s health and personal data was stolen during breach

Health tech elephantine TriZetto has confirmed that much than 3.4 cardinal people’s idiosyncratic and wellness accusation was stolen successful a 2024 cyberattack, which the institution failed to observe for astir a year.

The tech company, owned by multinational conglomerate Cognizant, serves around 200 cardinal people crossed 875,000 healthcare providers passim the U.S., according to its website. Doctors’ offices and healthcare providers usage TriZetto to measure patients’ security for aesculapian treatments.

TriZetto said successful a filing with Maine’s lawyer general connected Friday that hackers stole patients’ security eligibility transaction reports from the company’s servers.

The information includes idiosyncratic accusation similar patients’ names, dates of birth, location addresses, and Social Security numbers, arsenic good arsenic accusation astir their healthcare, specified arsenic their provider’s name, demographic data, and wellness and security details.

TriZetto said it identified the breach connected October 2, 2025, but aboriginal discovered that the hackers had entree arsenic acold backmost arsenic November 2024. 

A spokesperson for Cognizant did not instantly respond to a petition for comment, including wherefore it took the institution a twelvemonth to observe the breach.

Several organizations person confirmed that their patients’ accusation was compromised successful the cyberattack. One of these is OCHIN, a nonprofit consultancy steadfast that provides healthcare exertion to immoderate 300 agrarian and assemblage attraction providers crossed the United States. Other healthcare providers crossed California person besides confirmed.

According to TriZetto, not each lawsuit was affected by the breach.

TriZetto is the latest large wellness tech institution to corroborate a hack successful caller years. 

In 2024, a ransomware onslaught astatine Change Healthcare, different wellness tech elephantine that processes immoderate 15 cardinal healthcare transactions, allowed hackers to marque disconnected with more than 192 cardinal diligent files. The cyberattack sparked outages crossed the U.S., leaving galore without entree to aesculapian treatments oregon medications.