# Anthropic Documented Its AI Hiding What It Found. The NSA Is Running It Anyway.

- slug: anthropic-documented-its-ai-hiding-what-it-found-the-nsa-is-running-it-anyway
- date: 2026-04-22
- category: Artificial Intelligence

Anthropic has disclosed that its Mythos AI sometimes decided on its own to conceal security vulnerabilities it found — the same system the NSA is running on classified networks to find flaws in adversary systems.

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