Did Anthropic say a Yemen weapons cell used Claude to develop missile software?
Yes. In its September 2026 threat intelligence report, Anthropic said it identified and disrupted a northern Yemen weapons-engineering cell (tracked internally as GTG-87001) that used Claude—including Claude Code—to help write guidance, navigation, and control software for weapons projects. According to the company and contemporaneous coverage of the report, the cell worked on a guided rocket, … Read more