Japan Funds Emergency Cybersecurity Response Amid Rising Breaches

Summary
Japan approved ¥10 billion ($63 million) for cybersecurity measures, including public-private response teams, stronger investigations and victim support. Reported incidents are rising, but TrendAI has not established a firm link to attackers’ use of AI.
Key points
- Japan approved a ¥10 billion ($63 million) emergency cybersecurity package covering baseline security, investigations and information sharing, response capabilities, and support for victims.
- The government plans a nationwide mechanism to dispatch public- and private-sector specialists to respond to cyberattacks.
- More than 600 incidents were publicly reported in the first nine months of 2026, compared with 594 during all of 2025; Japan’s privacy regulator logged 2,094 breach incidents from April through mid-October.
- The package includes adopting AI for cyber defense and expanding investigation capabilities, but TrendAI said it has not established a firm link between the incident rise and attackers’ use of AI.
- Japan’s Active Cyber Defense legislation took effect on October 1, authorizing police and the Self-Defense Forces to take measures against cyberattacks posing national-security risks.
- The article cites recent ransomware attacks on Nichirei and Asahi and data breaches targeting GMO Internet Group.
Article Details
- Event Type
- Japan passed an emergency cybersecurity funding package and response strategy to address rising cyberattacks and breaches.
- Impact
- The ¥10 billion package is intended to strengthen basic cybersecurity measures, investigations and information collection, public-private incident response, and support for victims. The article reports more than 600 publicly reported incidents in Japan during the first nine months of 2026, while the privacy regulator logged 2,094 breach incidents from April through mid-October. Recent reported victims include Nichirei, Asahi, and GMO Internet Group. The package is also intended to help put Japan’s Active Cyber Defense legislation into practical effect; the article says additional investment will be needed.
People
Mihoko MatsubaraChief cybersecurity strategist for NTT who discussed risks from aggregated personal information and the need for government assistance and broader cybersecurity investment.Ryan FloresCo-lead for threat research at TrendAI; said TrendAI had not established a firm link between the rise in incidents and attackers’ use of AI, while discussing how AI could help attackers find targets and automate operations.Sanae TakaichiJapanese Prime Minister who called for the cybersecurity measures in the emergency package to be implemented promptly and effectively.
