Japan updates its AI policy framework to strengthen international cooperation on risks like cyberattacks and misinformation as advanced AI models become more powerful.

What happened: Japan released a draft revision of its Artificial Intelligence Basic Plan on Friday, roughly six months after the original plan was adopted in December. The revision emphasizes cooperation with foreign governments and AI developers to address AI-related risks, and highlights concerns about cyberattacks that exploit AI, particularly in light of advanced models such as Claude Mythos from U.S. startup Anthropic. The government is also proposing stronger countermeasures against misinformation and disinformation, including support for technologies that detect AI-generated content.

Why it matters: The revision reflects Japan's recognition that AI is advancing into a role capable of driving decision-making and execution in organizations and society, with direct implications for national economic, defense, and technological capabilities. By tightening its policy framework so soon after the AI law took effect last May, Japan is signaling that the pace of AI development is outpacing existing safeguards, making international coordination essential to manage shared risks.

What to watch: The government aims to secure Cabinet approval for the revision at an early date after soliciting public comments. This timeline and the specific countermeasures adopted will indicate how quickly Japan intends to move policy in response to advancing AI threats.