Ernst & Young Data Breach: Hackers Breach IT Support System and Download Client Tax Data

🚨 EY Data Breach - Hackers Gain Access to IT Support System and Download Documents | Source:

Ernst & Young LLP (EY) is notifying clients that an unauthorized third party breached a support ticket platform used by its IT staff, downloading documents containing client tax data during a roughly two-week window this spring.

The Big Four accounting and consulting giant filed breach notifications with the California Attorney General's office on July 15, 2026, confirming the incident's scope.

According to EY's notification letter dated July 13, 2026, the firm uses a third-party IT service management platform to help its information technology personnel support internal teams handling tax-related client work.

#cybersecuritynews #Databreach