A data breach at Cognizant TriZetto Provider Solutions exposed the sensitive information of over 3.4 million individuals, including names, addresses, dates of birth, Social Security numbers, and health insurance details. The breach began in November 2024 and was detected in October 2025, with notifications to affected parties starting in February 2026.
Reconnaissance
Initial Probing and Discovery
likely
Threat actors likely conducted reconnaissance to identify vulnerabilities within Cognizant TriZetto's systems, focusing on their web portal used for insurance eligibility verification transactions.
