Ernst & Young Discloses Data Breach After Third-Party IT Support System Hacked

### Executive summary Ernst & Young (EY) disclosed a data breach that stemmed from a compromised third-party support ticket platform used by EY IT staff, potentially exposing customer names, contact information, internal account details, logs, and other support-related data; EY is notifying affected customers while key details (affected population, vendor identity, and whether data exfiltration or ransomware occurred) remain undisclosed.