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
• AI 2027ai-2027.com
• My picture of the present in AI — LessWronglesswrong.com
• Claude Mythos Preview System Cardwww-cdn.anthropic.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
• Offense at Scale: How Frontier AI Lowers the Cost of Cyber Attacks - Irregularirregular.com
• Mythos finds a curl vulnerability | daniel.haxx.sedaniel.haxx.se
• Measuring LLMs’ ability to develop exploits \ Anthropicred.anthropic.com
• My picture of the present in AI - by Ryan Greenblattblog.redwoodresearch.org
• Nova DasSarma on why information security may be critical to the safe development of AI systems | 80,000 Hours80000hours.org