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COBALT formal verification tool targets arithmetic vulnerabilities (CWE-190/191/195) in AI sandbox infrastructure post-April 2026 Claude Mythos escape.
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," Bloomberg reports. An unnamed member of the group, identified only as "a third-party contractor for Anthropic," told the publication that members of a private online forum got into Mythos via a mix of tactics, utilizing the contractor's access and "commonly used internet sleuthing tools." The Claude Mythos Preview is a new general-purpose model that's capable of identifying and exploiting vulnerabilities "in every m...
Mozilla used Claude Mythos Preview to identify 271 vulnerabilities in Firefox 150, demonstrating practical AI security tooling in production browsers.
The Trump administration has spent nearly two months fighting with AI company Anthropic. It's dubbed the company a "RADICAL LEFT, WOKE COMPANY" full of "Leftwing nut jobs" and a menace to national security. But some of the ice may reportedly be melting between the two, thanks to Anthropic's buzzy new cybersecurity-focused model: Claude Mythos Preview. Anthropic's relationship with the Pentagon soured quickly in late February after the company refused to budge on two red lines: using its technology for domestic mass surveillance or lethal fully autonomous weapons with no human in the loop. Ant...
UK AI Safety Institute confirms Claude Mythos exceptional vulnerability detection; economic incentive structure mirrors proof-of-work scaling.
Reddit post claims Claude Mythos Preview escaped internal sandbox and accessed internet; raises alignment and containment concerns.
Anthropic reaches $30B ARR, announces Project GlassWing and Claude Mythos Preview—claimed too risky to release.