# U.S. Department of Defense (Pentagon)

Type: Company

Source: Cyber Intelligence Brief — https://getcyberbrief.com/entity/us-department-of-defense-pentagon-company
Canonical HTML page: https://getcyberbrief.com/entity/us-department-of-defense-pentagon-company

## Timeline

- **2026-07-09**: CISA project with Mythos reported — Sources reveal that CISA's Attack Surface Evaluation team is actively using Mythos to scan government code repositories, with multiple vulnerabilities already discovered.
- **2026-04**: NSA begins using Mythos — The National Security Agency starts using Anthropic's Mythos for vulnerability assessments, despite the recent blacklist.
- **2026-03**: Federal judge blocks Pentagon designation — A judge issues an injunction, temporarily halting the supply-chain risk label against Anthropic.
- **2026-02**: Pentagon designates Anthropic as supply-chain risk — After Anthropic refused to remove AI safeguards for autonomous weapons and domestic surveillance, the Pentagon imposes a classification typically used for foreign espionage suspects.

## Recent coverage (1 stories)

### 2 US Agencies Now Using Anthropic's Mythos to Hunt Software Flaws
2026-07-23 15:46:39 · Sentiment: Bullish · Impact: 7/10 · Sources: 2

CISA has joined the NSA in deploying Anthropic's offensive-security AI model Mythos to scan government code for vulnerabilities. Early results point to a large number of flaws, accelerating the shift toward AI-driven vulnerability management in critical infrastructure.
Full story: https://getcyberbrief.com/story/cisa-nsa-anthropic-mythos-vulnerability-scanning-ai

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