Anthropic: Yemen-based actors used Claude Code to develop missiles

Anthropic said a group based in northern Yemen used Claude Code across three weapons programs between December 2025 and August 2026, including a ballistic missile with a stated range above 2,000 km. Accounts were banned, but offline toolkits built with AI assistance outlast platform enforcement.

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Anthropic: Yemen-based actors used Claude Code to develop missiles

Claude Code was used across three weapons programs, including a missile with range over 2,000 km
Actors evaded safety controls by splitting tasks across multiple sessions
Offline simulation toolkits persist after account bans
Anthropic did not confirm Houthi ties, citing 'threat actors based in northern Yemen'

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Anthropic: Yemen-based actors used Claude Code to develop missiles

Iran-linked actors used Claude to target U.S. warships and develop missiles

AI Developer Uses GPT-6 Astra to Crack 108-Year-Old WW1 Code

FTC Chair Ferguson: AI agents aren't autonomous actors, developers hold liability

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