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EXCLUSIVE: US cyber agency is using Anthropic's Mythos to audit government code,

BACKGROUND
1 SIGNALFIRST DETECTED 6 July 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
22 Apr
Anthropic’s “Mythos” AI Model got accessed by unauthorized users due to 3rd party data breach

<!-- SC_OFF --><div class="md"><p>Anthropic's new cybersecurity-focused Al, Mythos, was reportedly accessed by unauthorized users through a third-party vendor environment (Mercor)

OPINION · HOW · ArtificialInteligenceOPEN STORY
20 Apr
NSA is said to be using Anthropic's restricted Mythos AI model.

NSA is said to be using Anthropic's restricted Mythos AI model.

OPINION · WHO · TechCrunchOPEN STORY
29 Jun
Plus: The US has allowed Anthropic to release Mythos 5 to “trusted” orgs. trib.al/mO0weIA

Plus: The US has allowed Anthropic to release Mythos 5 to “trusted” orgs. trib.al/mO0weIA

OPINION · WHAT · MIT Technology ReviewOPEN STORY
26 Jun
US allows Anthropic to release Mythos to 'trusted partners'

<a href="https://news.ycombinator.com/item?id=48692995">Comments</a>

REPORT · WHAT · Hacker News Best (RSS)OPEN STORY
18 May
Anthropic to brief global financial watchdog on cyber flaws exposed by Mythos, FT reports reut.rs/4uUr7hY

Anthropic to brief global financial watchdog on cyber flaws exposed by Mythos, FT reports reut.rs/4uUr7hY

OPINION · WHAT · ReutersOPEN STORY
12 May
Anthropic's Mythos sends US banks rushing to plug cyber holes reut.rs/4u9sNUM

Anthropic's Mythos sends US banks rushing to plug cyber holes reut.rs/4u9sNUM

OPINION · WHAT · ReutersOPEN STORY
22 Apr
Anthropic’s most dangerous AI model just fell into the wrong hands

Anthropic's Mythos AI model, a powerful cybersecurity tool that the company said could be dangerous in the wrong hands, has been accessed by a "small group of unauthorized users,"

REPORT · WHO · The Verge TechOPEN STORY
27 Jun
Over 100 companies and government agencies are reportedly authorized to use Mythos 5, including their non-American employees.

Over 100 companies and government agencies are reportedly authorized to use Mythos 5, including their non-American employees.

OPINION · WHAT · TechCrunchOPEN STORY
Sources
Reuters

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