Come vulnerabilities were found within hours, but that does not mean the model was able to exploit them within that time, the official said.

The post Anthropic’s Mythos Model Found Vulnerabilities in Classified US Government Systems, Official Says appeared first on SecurityWeek.

Anthropic takes Fable 5 and Mythos 5 offline to comply with a directive from the Trump administration to prevent use by foreign nationals.

The post Anthropic Says It Has Taken Its Latest AI Models Offline to Comply With New Export Controls appeared first on SecurityWeek.

An AI hacker claims to have achieved a prompt-based jailbreak shortly after Fable 5’s launch, but Anthropic says it’s not a real jailbreak.

The post Anthropic Disputes Fable 5 AI Jailbreak appeared first on SecurityWeek.

The AI giant also announced that Project Glasswing partners are being given access to the upgraded Mythos 5.

The post Anthropic Launches Claude Fable 5: Mythos-Class AI With Cybersecurity Guardrails  appeared first on SecurityWeek.

The proposed coordination would let advanced AI labs verify that global rivals have actually stopped or slowed their work.

The post Anthropic Urges Industry Coordination to Allow for a ‘Pause’ in AI Development if Risks Grow appeared first on SecurityWeek.

Only approximately 50 companies have had access to Mythos until now and they have found thousands of vulnerabilities in their products.

The post Anthropic Expanding Mythos Access to 150 New Organizations appeared first on SecurityWeek.

The AI giant says the new plugin, which helps developers find vulnerabilities as they write code, has been used extensively internally.

The post Anthropic Releases New Claude Sandbox, Security Guidance Plugin appeared first on SecurityWeek.

Notable integrations include CrowdStrike, Palo Alto Networks, Microsoft, Okta, Zscaler, Netskope, Cloudflare, Fortinet, and Wiz.

The post Anthropic Expands Claude’s Enterprise Security Governance With 28 New Integrations appeared first on SecurityWeek.

With Mythos signaling a new era of near-instant exploitation, Anthropic positions Claude Security to help defenders keep pace.

The post Anthropic Unveils Claude Security to Counter AI-Powered Exploit Surge appeared first on SecurityWeek.

Only with the right platform and an agentic, AI-driven defense, will enterprises be able to protect themselves in the agentic era.

The post The Mythos Moment: Enterprises Must Fight Agents with Agents appeared first on SecurityWeek.

A White House official said the administration is engaging with advanced AI labs about their models and the security of software.

The post White House Chief of Staff to Meet With Anthropic CEO Over Its New AI Technology appeared first on SecurityWeek.