cognizant.com Domain Breach Exposure Report

The telemetry indicates a significant exposure of Cognizant's digital assets, with over 255,000 historical data breaches and 23,000 active infostealer logs observed within the reporting period. The data suggests a widespread compromise affecting both employees and clients, with a notable increase in employee-related events in January 2026 and client-related events in August 2025. The primary threat vectors appear to be infostealer malware families such as LummaC2, Redline, and Rhadamanthys, often originating from combolist sources and database dumps, indicating credential stuffing or account takeover attempts. Targeted services include authentication endpoints and mail servers, suggesting attackers are attempting to gain access to sensitive systems and communications.