Prominent cybersecurity leaders — including CISOs, security researchers and executives at Adobe, Zoom and Sophos — are urging the Trump administration to reverse restrictions on Anthropic’s most advanced AI models, arguing the move hurts cyber defenders more than attackers. Pulling back access to Anthropic’s first publicly available Mythos-class model could kneecap cyber defenders just as they’re bracing for a wave of AI-powered hacking threats, the leaders argue. The loosely organized group of experts, led by former Facebook Chief Security Officer Alex Stamos, argue in the letter that the issue Amazon researchers flagged exists across other leading AI models, too.

Full report : US cybersecurity leaders urge the White House to lift the ban on Anthropic’s Mythos 5 and Fable 5, arguing the move hurts defenders more than attackers.