Mercor AI Data Breach: 4TB of Contractor Biometrics, SSNs Leaked | All About Cookies

AI hiring platform Mercor experienced a data breach in March 2026, exposing sensitive user data including passport scans, Social Security numbers, and biometric data. The breach, which affected over 40,000 contractors, stemmed from a malicious update in the open-source tool LiteLLM. Mercor delayed notifying users for three months, sparking legal action, and is now offering identity protection services and implementing enhanced security measures.