Japan’s PM orders cybersecurity review to stop Mythos going full CyberZilla

Japan’s prime minister Sanae Takaichi has ordered a review of government cybersecurity strategy, citing the arrival of Anthropic’s bug-hunting model Mythos as a moment that makes it necessary to order a cabinet-level project.

In a Tuesday cabinet meeting, the PM instructed cybersecurity minister Hisashi Matsumoto to devise measures to check the state of government systems to determine whether it’s possible to detect and fix vulnerabilities, and to develop a plan to ensure critical infrastructure operators can do likewise.

Japan’s leader ordered the checks because she feels Mythos and similar frontier models may be misused, and that attacks on infrastructure may therefore increase in speed and scale – perhaps even exponentially.

Over the last couple of years cybersecurity vendors and researchers have often pointed out that AI models make it possible to find flaws and automate attacks.

When Anthropic debuted Mythos in early April, the notion that AI ...