Anthropic limits Mythos AI rollout over fears hackers could use model for cyberattacks

Key PointsAnthropic announced Claude Mythos Preview, which it said is an advanced AI model that excels at identifying weaknesses and security flaws within software.Microsoft, Amazon, Apple, CrowdStrike, Palo Alto Networks and roughly 40 other companies will be able to use the model for defensive security work, Anthropic said.These companies will use and test the model as part of a new cybersecurity initiative called Project Glasswing, it said.In this articleMSFTAMZNAAPLCRWDPANWGOOGFollow your favorite stocksCREATE FREE ACCOUNTAnthropic CEO and co-founder Dario Amodei speaks during the 56th annual World Economic Forum meeting in Davos, Switzerland, Jan. 20, 2026.Denis Balibouse | ReutersAnthropic on Tuesday announced an advanced artificial intelligence model that will roll out to a select group of companies as part of a new cybersecurity initiative called Project Glasswing.The model, Claude Mythos Preview, excels at identifying weaknesses and security flaws within software, and Anthropic is limiting access to try to prevent bad actors from exploiting that capability, the company said. Anthropic said Apple, Google, Microsoft, Nvidia and Amazon Web Services are among the project's initial launch partners and will be able to use the model for defensive security work. More than 40 other companies, including CrowdStrike and Palo Alto Networks, are also participating, Anthropic said."There was a lot of internal deliberation," Dianne Penn, Anthropic's head of research product mana...