It is an era supposed that there is no technology or policy that can completely defend cyber attacks. That actually cause damage to society such as the leakage of a lot of personal information, corporate confidentiality and stop supplying of infrastructure. The Cyber Security Center of the Ministry of Economy, Trade and Industry has announced strategies in December 2015, because of maintaining cyber security is a very important issue from the viewpoint of people's lives, social economic activities, and security and crisis management. The Ministry of Economy, Trade and Industry established “Cybersecurity Management Guidelines” and instructed companies to disclose information on cybersecurity risks and countermeasures and to proper communication with stakeholders. However, it is vague about what to do specifically to make "proper communication". It is effective that not only companies and government struggle within their own organizations, but multiple groups maintain adequate cooperative relationships, communicate positively, and raise the level of security. This paper compares policies and countermeasures of Japan, Korea and the United States, and considering the way of cyber security communication between public and private. International comparison shows that easy and mutually beneficial communication is necessary to make cyber security information share effectively between public and private. According to the case studies, the following three were necessary to facilitate cyber security communication between public and private: Simplification of government cyber security department, changing governance of cooperation, and offering incentives.
官民サイバーセキュリティコミュニケーションに関する研究
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