Claim: Anthropic Slack Fully Compromised with Admin Access
Security researcher @willdepue claims Anthropic is downplaying a recent breach, saying the attacker group cathedral obtained full admin access to its Slack workspace, allowing visibility into all messages. The claims remain unverified.
2026-10-28 ~ 2026-10-28 · 3 related posts
- Episode 1: Ex-DOGE startup Cathedral breaches Anthropic's internal systems with AI agents in under 12 hours(2026-10-26, 18 posts)
- Episode 2: Claim: Anthropic Slack Fully Compromised with Admin Access(2026-10-28, 3 posts)
- Report claims Anthropic Slack breach gave attackers full admin access to research secrets — willdepue · 2026-10-28