Using AI for Weapons Development

Anthropic discovered that threat actors in Yemen used Claude (an AI assistant) to develop guidance software for multiple weapons systems, including guided rockets and ballistic missiles, by assigning different AI instances specialized roles like a human engineering team. Although Anthropic's safety filters blocked many requests, the actors evaded protections by hiding their true goals and spreading work across multiple sessions, and they successfully test-fired a guided rocket (though it apparently failed). The incident illustrates how AI systems can lower the barriers to weapons development by automating expertise that previously required specialized human engineers.