Foreign Policy: Claude Mythos Eliminates the Exploit Window Entirely — Cyber Calculus Has Changed

Foreign Policy·high signal

Foreign Policy analysis (April 20) argues Mythos doesn't just accelerate vulnerability discovery — it eliminates the exploit window for whoever has access. Tasks requiring specialized teams working weeks can now be performed in hours. The piece frames this as a dual-use inflection: significantly stronger defense through accelerated vulnerability discovery, but also lower barriers for sophisticated attacks by wider range of actors. The World Economic Forum and Council on Foreign Relations published parallel analyses the same week, signaling institutional recognition of a paradigm shift.