Trump administration blocks Anthropic’s Mythos rollout

This article was published on April 30, 2026 White House opposes Anthropic’s plan to expand Mythos The Trump administration has told Anthropic it disagrees with a controlled rollout that would bring its dangerous cyberattack-capable AI to roughly 120 organisations in total, even as the White House simultaneously explores an executive order to bring Anthropic back into federal government use. The White House has told Anthropic it opposes the company’s plan to expand access to Mythos, its advanced cybersecurity AI model, to roughly 70 additional companies, according to Bloomberg, which cited an administration official speaking anonymously. The development was first reported by the Wall Street Journal. Anthropic declined to comment. Mythos, announced in early April through Anthropic’s Project Glasswing initiative, is a model capable of autonomously finding and exploiting vulnerabilities across a wide range of critical software, a capability Anthropic deemed too dangerous for general release. The company has instead been allowing a limited set of organisations to test it on their own systems. Its plan to expand that initial group from approximately 50 to 120 organisations has drawn a d