4. 2. 6 Strengthening seamless information sharing systems among various stakeholders and making use of findings obtained through efforts toward the Tokyo Games, etc. - In light of the increasing risks in cyberspace, the national government will enhance risk sensitivity and resilience, advance timely, geographically and cross-cuttingly seamless information sharing and collaboration for effective and responsive handling of cyberattacks, and maintain an ability to respond immediately to large-scale cyberattacks even in peacetime. - To enable comprehensive response as a nation against new attacks, the national government will leverage the findings and know-how obtained through efforts for preparation and operation for response capabilities and efforts for risk management for the Tokyo Games, as part of efforts to establish a national CERT (CSIRT) framework. By doing so, the national government will advance efforts to raise the nation’s overall level of cybersecurity capabilities in peacetime, not just during large-scale international events, such as the EXPO 2025 Osaka, Kansai, Japan. The national government will also share the findings and know-how obtained through operations during the Tokyo Games with the international community in an appropriate way. (1) Advancing information sharing and collaboration according to each field and issue - The national government will enhance and strengthen existing efforts for information sharing, including ISAC, and help to establish and facilitate new mechanisms for information sharing under close collaboration with stakeholders in order to establish a multi-layered cyber defense system through coordinated collaboration between stakeholders in cyberspace. (2) Establishing an information sharing and collaboration system that contributes to comprehensive cyber defense - To enable comprehensive response as a nation against cyberattacks, the national government will strengthen collaboration between information sharing systems, including the Cybersecurity Council and the Cybersecurity Response and Coordination Center, as part of efforts to establish a national CERT (CSIRT) framework, and discuss the details of how to collaborate and coordinate with external parties. - The national government will actively make use of the findings and know-how obtained through efforts for preparation and operation for response capabilities and efforts for risk management for the Tokyo Games so as to support the business operators assisting the operation of the Tokyo Games as well as nationwide operators’ efforts for cybersecurity measures. By doing so, the national government will raise the nation’s overall level of cybersecurity capabilities at all times, from during large-scale international events such as the EXPO 2025 to peacetime. 4. 2. 7 Strengthening readiness to respond to large-scale cyberattacks, etc. 25