this post was submitted on 14 Apr 2026
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Security

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Our evaluation of Claude Mythos Preview’s cyber capabilities (www.aisi.gov.uk)
submitted 3 weeks ago by codeinabox@programming.dev to c/security@programming.dev
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The AI Security Institute (AISI) conducted evaluations of Anthropic’s Claude Mythos Preview (announced on 7th April) to assess its cybersecurity capabilities. Our results show that Mythos Preview represents a step up over previous frontier models in a landscape where cyber performance was already rapidly improving.

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[–] onlinepersona@programming.dev 0 points 3 weeks ago

It's hacking stuff but at what cost? Can I use it to direct an agent at my self-hosted stuff and see how secure (or insecure it is)? Or will that set me back thousands and thus make it only feasible/worth it for the rich and wealthy?