EY Data Breach Compromises Client Data of Goldman Sachs and Man Group
What happened
A data breach at EY compromised personal and financial information of clients linked to Goldman Sachs and Man Group.
The Context
- Supply-chain vulnerabilities: The breach highlights risks associated with third-party IT service-management platforms used by professional services firms.
- Regulatory response: Notifications were issued to affected individuals in September 2026, following regulatory filings in July.
- No core system impact: Goldman Sachs and Man Group confirmed their internal systems remained secure, with no impact on client assets.
The Number
— This is the minimum number of affected US residents identified in California regulatory filings, indicating the breach's potential wider impact.
Takeaway
As firms increasingly rely on third-party services, expect heightened scrutiny and enhanced cybersecurity measures across the industry.
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