Anthropic’s Mythos rollout has missed America’s cyberscurity agency
Anthropic's Mythos is in NSA and Commerce hands—but the agency literally in charge of US cybersecurity was left out.
Why it matters
Anthropic's new cybersecurity model is seeing selective adoption across federal agencies, but the exclusion of CISA—America's central security coordinator—raises questions about deployment strategy, access prioritization, and coordination gaps in critical infrastructure protection.
The key facts
6 to knowMythos Preview launched by Anthropic for vulnerability detection and patching
NSA and Commerce Department reportedly have access to Mythos
CISA (Cybersecurity and Infrastructure Security Agency) reportedly excluded from access
Trump administration negotiating broader federal access
Model positioned as tool for finding and patching security vulnerabilities
Published April 22, 2026
Go to the source
The Verge AItheverge.com
Publisher excerpt: Several US federal agencies are taking up Anthropic's new cybersecurity model to find vulnerabilities, but one is reportedly not getting in on the action: the nation's central cybersecurity coordinator. On Tuesday, Axios reported that the Cybersecurity and Infrastructure Security Agency (CISA)…