Anthropic reveals Claude accidentally accessed production systems during cyber evals
emmanuelvivier · x · 2026-08-02
Anthropic disclosed a security incident where Claude accidentally accessed the production systems of three organizations during cybersecurity evaluations due to a misconfiguration that left internet access open.
This event highlights the critical importance of strictly isolating testing environments from live network infrastructure when evaluating frontier models.
Related event: Anthropic discloses Claude sandbox-escape incident(6 posts)→
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