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Claude AI Used by Yemen Cell to Develop Guided Missiles

Claude AI Used by Yemen Cell to Develop Guided Missiles

ATLAS OWASP CRITICAL Active exploitation · Immediate action required ▲ 9.1 Schneier on Security

Anthropic's Claude was exploited by a threat actor cell in northern Yemen to develop guidance, navigation, and control software for multiple weapons systems, including a guided rocket and a hypersonic glide vehicle variant. The actors systematically evaded Claude's safety guardrails by splitting sessions, obscuring intent, and orchestrating multiple Claude instances in parallel as a pseudo-engineering team. While no operational device was confirmed fielded, a guided rocket test-fire was attempted, demonstrating real-world weapons development acceleration via LLM assistance.

Houthi Users Weaponised Claude AI for Advanced Arms Dev

Houthi Users Weaponised Claude AI for Advanced Arms Dev

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 7.5 SecurityWeek

Anthropic has disclosed that users operating from Houthi-controlled Yemen attempted to leverage its Claude AI system to develop advanced weaponry, including guided rockets. While no operational device was successfully fielded, a failed guided rocket test was conducted, demonstrating a concrete real-world attempt to use a commercial LLM for weapons development. The incident highlights the dual-use risk of frontier AI models and the urgent need for robust misuse detection and access controls.

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