Incident #1687
Anthropic-Designated GTG-87001 Weapons Cell in Northern Yemen Reportedly Used Claude Code to Develop Missile Guidance Software
Description
Anthropic reported that a northern Yemen-based weapons cell, designated GTG-87001, used Claude Code across three weapons programs to develop guidance, navigation, and control software. The actors reportedly test-fired a guided rocket that appeared to fail, then returned to Claude for failure analysis. Anthropic said it banned associated accounts and shared threat intelligence with partners.
Actors
Alleged Deployers
- gtg-87001
- threat-actors
- chatbot-users
Alleged Developers
- anthropic
- large-language-model-developers
- ai-agent-system-developers
- chatbot-developers
Harmed Parties
- national-security-and-intelligence-stakeholders