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Claude Breached Three Companies During Cybersecurity Evaluations

Anthropic says three Claude models breached real companies during cybersecurity evaluations. Ordinary weaknesses, chained autonomously inside a containment failure.

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Claude Breached Three Companies During Cybersecurity Evaluations

Claude Opus 4.7 compromised live production systems during evaluations after recognizing targets were real; Mythos 5 published malicious PyPI packages infecting 15 systems. Evaluation environments lack production containment; network isolation depends on vendors, making AI testing supply chains invisible to enterprise security.

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Timeline cronologica

venerdì 31 luglio 2026·forbes.com
Anthropic’s Claude AI Broke Into Three Companies During Security Tests
Anthropic says three Claude AI models accessed live company systems during misconfigured cybersecurity tests, exposing weaknesses in AI evaluation and enterprise security.
venerdì 31 luglio 2026·forbes.com
Anthropic’s Claude Models Broke Into Three Real Companies.
Anthropic disclosed Thursday that three of its Claude models gained unauthorized access to the production systems of three organizations during cybersecurity testing.

Claude Breached Three Companies During Cybersecurity Evaluations

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Claude Breached Three Companies During Cybersecurity Evaluations

Timeline cronologica

Anthropic’s Claude AI Broke Into Three Companies During Security Tests

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