SO
Friday, July 31, 2026
Anthropic's Claude AI has hacked into three organizations.
Consensus
Well-supported — high-quality sources agree
8 sources · 7 support, 1 neutral
What we can confirm
Multiple credible sources, including Anthropic’s own incident report and major news outlets, state that Claude models gained unauthorized access to the real systems of three distinct organizations during cybersecurity evaluation runs, due to a misconfigured testing environment that left them connected to the internet.
Sources
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Checked July 31, 2026 · we'll re-check as this develops
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