EY is a multinational professional services firm offering audit, advisory, tax, and consulting services, including cybersecurity—making it a high-value target for threat actors and a critical participant in cyber risk management.
Overview
EY is a multinational professional services firm offering audit, advisory, tax, and consulting services, including cybersecurity—making it a high-value target for threat actors and a critical participant in cyber risk management. The firm's involvement in a cloud backup exposure incident underscores the cybersecurity risks associated with large organizations' data and cloud configurations and EY's visibility as both a service provider and a potential risk scenario.
Related Threat Clusters
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4TB SQL Server Backup of Ernst & Young Exposed on Microsoft Azure
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EY Exposes 4TB SQL Server Backup Publicly on Azure
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Recent Intelligence Reports
- Wall Street hackers launch AI voice cloning attacks targeting Citadel, Two Sigma, Point72 — Cybernews · August 6, 2026
- [SecurityIntel] 28 Jul | Active Zero-Day Exploitation of FastJson and Arista — Buttondown · July 28, 2026
- EY data breach exposes client tax documents — Cybernews · July 18, 2026
- Ernst & Young data breach exposes client tax information — Feeds.Feedburner · July 17, 2026
- Ernst & Young Data Breach Exposes Tax Information — Classaction · July 17, 2026
- Ernst & Young discloses data breach after support system hack — Bleepingcomputer · July 17, 2026
- EY Exposes 4TB SQL Server Backup Publicly on Microsoft Azure — Securityaffairs.Co · October 31, 2025