Anthropic’s latest AI model could let hackers carry out attacks faster than ever. It wants companies to put up defenses first

Dario Amodei, co-founder and chief executive officer of Anthropic, during the company's Builder Summit in Bengaluru, India, on Monday, Feb. 16, 2026. Samyukta Lakshmi/Bloomberg/Getty Images AI Digital security See all topics Facebook Tweet Email Link Threads Link Copied! Follow Anthropic will make its new AI model available to some of the world’s biggest cybersecurity and software firms in an effort to slow the arms race ignited by AI in the hands of hackers, Anthropic said Tuesday. Amazon, Apple, Cisco, Google, JPMorgan Chase and Microsoft, among other firms, will now have access to Anthropic’s Mythos model for cyber defense purposes. That includes finding bugs in those firms’ software and testing whether specific hacking techniques work on their products. Mythos (officially dubbed “Claude Mythos Preview”) is not ready for a public launch because of the ways it could be abused by cybercriminals and spies, according to Anthropic — a prospect that has prompted widespread concern in Washington and in Silicon Valley. Experts have told CNN that the speed and scale of AI agents looking for vulnerabilities, far beyond normal human capabilities, represent a sea change in cybersecurity. A single AI agent could scan for vulnerabilities and potentially take advantage of them faster and more persistently than hundreds of human hackers. “We did not feel comfortable releasing this generally,” Logan Graham, who heads the team at Anthropic its AI models’ defenses, told CNN. “We think tha...