Assessing Claude Mythos Preview's cybersecurity capabilities

https://red.anthropic.com/2026/mythos-preview/

Claude Mythos Preview \ red.anthropic.com

Related ongoing threads:

System Card: Claude Mythos Preview [pdf] - https://news.ycombinator.com/item?id=47679258

Project Glasswing: Securing critical software for the AI era - https://news.ycombinator.com/item?id=47679121

I can't tell which of the current threads, if any, should be merged - they all seem significant. Anyone?

System Card: Claude Mythos Preview [pdf] | Hacker News

There is a lot to digest here. Maybe having a few separate pages makes them a bit more digestible. The system card itself is some 200 odd pages