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TechRadar
TechRadar
Sead Fadilpašić

Ernst & Young reveals data breach following hack on support system

Representational image of a cybercriminal.
  • Ernst & Young confirms breach via a third‑party IT service management platform, exposing client tax data between March 28 and April 12, 2026
  • Attackers accessed documents tied to tax support tickets; exact scope and affected clients remain undisclosed, with no dark web leaks or group claims so far
  • EY activated incident response, secured systems, and is offering 24 months of Experian identity monitoring to impacted customers

Ernst & Young (EY) has confirmed suffering a cyberattack in which it lost sensitive customer information, including tax data.

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