Cybersecurity Looks Like Proof of Work Now

Is security spending more tokens than your attacker?

Apr 14, 2026 AI DEVELOPMENT SECURITY MYTHOS Cybersecurity Looks Like Proof of Work Now Is security spending more tokens than your attacker? Last week we learned about Anthropic’s Mythos, a new LLM so “ strikingly capable at computer security tasks ” that Anthropic didn’t release it publicly. Instead, only critical software makers have been granted access , providing them time to harden their systems. We quickly blew through our standard stages of processing big AI claims: shock, existential fear, hype, skepticism, criticism, and (finally) moving onto the next thing. I encouraged people to take

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• Cheikh Fiteni
• Jackson Mowatt Gok
• Aadharsh Pannirselvam

related reading

• Project Glasswing: Securing critical software for the AI era \ Anthropicanthropic.com
• Vulnerability Research Is Cooked - Quarrelsomesockpuppet.org
• My picture of the present in AI — LessWronglesswrong.com
• The End-State Fallacy: Where Is AI Security Headed?endstatefallacy.com
• Is Mythos good at cyber because it kept hacking Anthropic's sandboxes during training? — LessWronglesswrong.com
• Greg Brockman on Svbtleblog.gregbrockman.com
• What I learned this week - Can distillation be stopped, Mythos and the cybersecurity equilibrium, Pipeline RLdwarkesh.com
• Disrupting the first reported AI-orchestrated cyber espionage campaign \ Anthropicanthropic.com
• List of posts - <antirez>antirez.com
• Mythos finds a curl vulnerability | daniel.haxx.sedaniel.haxx.se
• Offense at Scale: How Frontier AI Lowers the Cost of Cyber Attacks - Irregularirregular.com
• My picture of the present in AI - by Ryan Greenblattblog.redwoodresearch.org