Friday, September 11, 2026
Anthropic details Claude misuse in weapons and espionage
Anthropic published its September 2026 threat intelligence report covering December 2025 through August 2026 misuse of Claude Haiku, Sonnet, and Opus. The report details five bio-weapons-adjacent case studies and six conventional-weapons software cases spanning firearms, missiles, drones, and bombs, plus Russia-linked, Iranian, and Chinese operations. None of the new Fable or Mythos models appear except one distillation case.
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