US security agency still using Mythos despite ban government using new security tool despite Pentagon's 'supply chain risk' designation

Date:
Mon, 20 Apr 2026 18:05:00 +0000

Description:
Despite trading blows with the company, US government is still using Anthropic's products, including the fabled Mythos Preview.

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now subscribed Your newsletter sign-up was successful Join the club Get full access to premium articles, exclusive features and a growing list of member rewards. Explore An account already exists for this email address, please log in. Subscribe to our newsletter NSA reportedly using Anthropics Mythos
Preview AI despite Pentagon labeling company a supplychain risk Mythos, part of Project Glasswing, capable of discovering and exploiting zerodays
Anthropic previously refused DoD request to weaken guardrails; lawsuits followed, while Trump administration met CEO to discuss cooperation The US National Security Agency (NSA) is using Anthropics Mythos Preview AI tool , despite the Pentagon deeming the company a supply-chain risk earlier this year. Citing sources familiar with the matter, Axios said Mythos Preview is being used more widely within the department.

At this moment, neither the US Department of Defense (DoD), nor the NSA commented on the news. Anthropic hasnt spoken about it, either. In February this year, the US government asked Anthropic to remove the guardrails set up for its AI tools, which the company declined over fears they could be used
for mass domestic surveillance and fully autonomous weapons Article continues below You may like These actions are unprecedented and unlawful: Anthropic sues Pentagon over supply chain risk designation claims free speech and due process violations Project Glasswing wants to use AI to prevent AI cyberattacks Anthropic goes to court over 'supply chain risk' label, as
Claude usage rises What is Mythos Preview? Mere days after Anthropic CEO
Dario Amodei declared the company cannot in good conscience accede" to the DoD's request, the US government deemed the AI company as a supply chain
risk. Anthropic responded with two federal lawsuits, claiming violations of protected speech.

Liz Huston, a spokeswoman for the White House, commented on the lawsuits saying Anthropic was a radical left, woke company, adding that, Under the Trump Administration, our military will obey the United States Constitution not any woke AI company's terms of service.

Mythos Preview is a newer Anthropic Generative Artificial Intelligence
(GenAI) model, and part of Project Glasswing. It was first mentioned earlier in April, when the company said it would not be releasing it to the public because it was too dangerous.

Apparently, the tool was able, with very little input, to discover and
exploit software vulnerabilities, including zero-days flaws. Access to
Project Glasswing was limited to a handful of large software companies, such as Apple , Cisco, Microsoft , Nvidia , and a handful of others, who were offered to get a head start and secure their products. Are you a pro? Subscribe to our newsletter Sign up to the TechRadar Pro newsletter to get
all the top news, opinion, features and guidance your business needs to succeed! Contact me with news and offers from other Future brands Receive email from us on behalf of our trusted partners or sponsors By submitting
your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.

In its report, Reuters said that US President Donald Trumps administration
met with Anthropics CEO last week to discuss working together, for the first time since the dispute began.

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Link to news story: https://www.techradar.com/pro/security/us-security-agency-still-using-mythos-d espite-ban-government-using-new-security-tool-despite-pentagons-supply-chain-r isk-designation


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