# The Pentagon Called Anthropic a Security Risk. The NSA Is Already Running Its Most Powerful Model. - slug: the-pentagon-called-anthropic-a-security-risk-the-nsa-is-already-running-its-most-powerful-model - date: 2026-04-22 - category: Artificial Intelligence The NSA is running Anthropic’s Mythos model on its own systems. The DOJ says Anthropic is too dangerous for defense contracts. Both things are true at the same time — and nobody in the executive branch seems to be in a hurry to fix it. ---