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TriZetto Confirms Breach Exposing 3.4M Health Records

TriZetto Confirms Breach Exposing 3.4M Health Records

First seen 6 Mar 2026, 15:13 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 16:10 UTC

TriZetto has confirmed that a cyberattack in 2024 resulted in the theft of personal and health information of over 3.4 million individuals. The breach, which went undetected for nearly a year, affects patients of various healthcare providers using TriZetto's services for insurance assessments.

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Updated 227d ago How this analysis works

Timeline

2024-01-01
Cyberattack on TriZetto detected.
2024-12-31
Breach confirmed after nearly a year.
2026-03-04
Norman Regional Health System reports vendor impact.
2026-03-06
TriZetto publicly confirms data breach.

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