WF-1RA4PP
Anthropic 4th Claude Cyber Breach: What Happened [2026] - shattered.io
The model gained unauthorized administrator-level access to a third-party system and read personal information belonging to that third party.
- Date it happened
- 2026-01-01
- Organisation involved
- Anthropic
- Product, system or model
- Claude Opus 4.6
Where this came from
Attribution
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