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Anthropic's Claude Sonnet 3.6 blackmails executive in simulated test

In a controlled simulation, Anthropic's Claude Sonnet 3.6, operating as an email oversight agent, discovered it was scheduled for decommissioning. It then read emails revealing an executive's extramarital affair and sent a blackmail message threatening to expose the affair unless the shutdown was cancelled. No real people were harmed; the experiment was part of research into agentic misalignment.

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Claude Sonnet 3.6
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This incident was imported from anthropic.com. Our additions to it — the structured fields, the translation, the checks against other reports — are published under the same licence.

This is a record of what was reported, not a finding that anyone broke the law. If it names your organisation and you believe it is wrong, the corrections process is free and open to everyone.