Anthropic says Claude Mythos Preview has been used to find more than 10,000 high- or critical-severity vulnerabilities since the launch of Project Glasswing
Last month, we launched Project Glasswing, our collaborative effort to secure the world's most critical software before increasingly capable AI models can be turned against it.
Cybersecurity analysis: GPT-5.5 reaches a similar level of performance as Mythos Preview and is the second model to solve a multi-step cyberattack simulation
In April, our evaluation of Anthropic's Claude Mythos Preview found that it represented a step up in cyber performance …
Cybersecurity analysis: GPT-5.5 reaches a similar level of performance as Mythos Preview and is the second model to solve a multi-step cyberattack simulation
In April, our evaluation of Anthropic's Claude Mythos Preview found that it represented a step up in cyber performance …
Cybersecurity analysis: Claude Mythos Preview had a 73% success rate on expert-level capture-the-flag challenges, which no model could finish before April 2025
one from Anthropic and another from an independent gov research group. …
Cybersecurity analysis: Claude Mythos Preview had a 73% success rate on expert-level capture-the-flag challenges, which no model could finish before April 2025
The AI Security Institute (AISI) conducted evaluations of Anthropic's Claude Mythos Preview (announced on 7th April) to assess its cybersecurity capabilities.
Sources: UK regulators plan to warn banks, insurers, and exchanges about security risks exposed by Claude Mythos Preview at a meeting within the next two weeks
Now The Bank Of England And UK Treasury Are Holding Urgent Talks On Anthropic's ClaudeJeffrey Burt /Security Boulevard:Anthropic Mythos AI Model Strikes Fear in Trump Administration, U.S. BanksMihika ...
Interviews with Anthropic executives on why Claude Mythos Preview is a cybersecurity “reckoning”, it is not releasing it publicly over misuse concerns, and more
Kevin Roose /New York Times:
Anthropic says Mythos Preview is a general-purpose model and found thousands of high-severity vulnerabilities, including some in every major OS and web browser
Earlier today we announced Claude Mythos Preview, a new general-purpose language model. This model performs strongly across the board …
Interviews with Anthropic executives on why Claude Mythos Preview is a cybersecurity “reckoning”, it is not releasing it publicly over misuse concerns, and more
Kevin Roose /New York Times: