Anthropic’s Mythos AI model tests limits of global cyber defences
New system has sparked fears it could turbocharge hacking and expose weaknesses faster than they can be fixed
New system has sparked fears it could turbocharge hacking and expose weaknesses faster than they can be fixed

Start-up has limited the release of the new tool because of concerns about its hacking abilities

As the capabilities of frontier models advance, gaining access to the technology could become critically important

Mythos model was able to detect critical software vulnerabilities that were missed by legacy systems

AI is like the atomic bomb — once you invent the means to build one, you live in a different world

Launch of GPT-5.4-Cyber follows concern about ability of Anthropic’s Mythos to find software bugs

Leading banks, insurers and exchanges to be warned over cyber security vulnerabilities exposed by Claude Mythos