Motohiro Tsuchiya's Homepage Updated: June 8, 2025 Created: April 30, 1996 [Homepage in Japanese] [CV]

Contact

• Please note that I am not accepting any graduate students as of June 8, 2025.
• Postal address: Keio University Shonan Fujisawa Campus, 5322 Endo, Fujisawa-shi, Kanagawa, 252-0882 JAPAN
• Campus access direction: http://www.sfc.keio.ac.jp/en/maps.html
• Google map: maps.google.com

Bio

Dr. Motohiro TSUCHIYA is Vice-President for Global Engagement at Keio University, and Professor at Keio University Graduate School of Media and Governance.

He is serving as guest editorialist of Nikkei since April 2019 and is an expert member of the Cybersecurity Strategy Headquarters of the Japanese government since February 2023. He authored Intelligence and National Security (Tokyo: Keio University Press, 2007, in Japanese), Cyber Terror (Tokyo: Bungeishunju, 2012, in Japanese), Cyber Security and International Relations (Tokyo: Chikura Shobo, 2015, in Japanese), Cyber Great Game (Tokyo: Chikura Shobo, 2020, in Japanese) and co-authored Cybersecurity: Public Sector Threats and Responses (Boca Raton, FL: CRC Press, 2012) and 40 other books. He earned his BA in political science, MA in international relations, and Ph.D. in media and governance from Keio University. He received 15th Nakasone Yasuhiro Award in 2019.

Book Chapters in English

• Motohiro Tsuchiya, "Systematic Government Access to Private-Sector Data in Japan," Fred H. Cate and James X. Dempsey, eds., Bulk Collection: Systematic Government Access to Private-Sector Data, Oxford University Press, 2017.
• Motohiro Tsuchiya, "Cyber Security Governance in Japan: Two Strategies and a Basic Law," Kenji E. Kushida, Yuko Kasuya, and Eiji Kawabata, eds., Information Governance in Japan: Towards a New Comparative Paradigm (SVNJ eBook series), Kindle Edition, 2016.
• Motohiro Tsuchiya, "Cyber Security of Financial Sectors in Japan, South Korea and China," Ruth Taplin, ed., Managing Cyber Risk in the Financial Sector: Lessons from Asia, Europe and the USA, London: Routledge, 2016.
• Motohiro Tsuchiya, "Digital Divide in the Pacific Island Countries: Possibility of Submarine Cable Installation for Palau," Minoru Sugaya and Christina Higa, eds., Pacific Island Regional and International Cooperation: ICT Policy and Development, Honolulu: Social Science Research Institute, University of Hawaii, 2014, ISBN 978-0-692-03007-3
• Mito Akiyoshi, Motohiro Tsuchiya and Takako Sano, "Missing in the Midst of Abundance: The Case of Broadband Adoption in Japan," Massimo Ragnedda and Glenn W. Mushert, eds., The Digital Divide: The Internet and Social Inequality in International Perspective, London: Routledge, 2013. ISBN978-0415525442
• Motohiro Tsuchiya, "Cybersecurity in East Asia: Japan and the 2009 Attacks on South Korea and the United States," Kim Andreasson, ed., Cybersecurity: Public Sector Threats and Responses, Boca Raton, FL: CRC Press, 2012, Chapter 3. ISBN978-1-4398-4663-6
• Motohiro Tsuchiya, "Ill-defined National Interest: The Difficult Role of the Japanese Negotiator in the Access Charge Negotiations with the United States," Ruth Taplin and Masako Wakui, eds., Japanese Telecommunications: Market and Policy in Transition, London: Routledge, 2006, chapter 8. ISBN0-415-36803-0
• Keisuke Kamimura, Motohiro Tsuchiya and Adam Peake "Japan," Digital Review of Asia Pacific, 2005-2006.

Books in Japanese

• Motohiro Tsuchiya, Cyber Security and International Relations, Tokyo: Chikura Shobo, 2015.
• Motohiro Tsuchiya, Cyber Terror: Japan-U.S. vs. China, Tokyo: Bungeishunju, 2012.
• Motohiro Tsuchiya, Network Hegemony: Strategy, Power, and Empire in the Information Society, Tokyo: NTT Publishing, 2011.
• Motohiro Tsuchiya, Intelligence and National Security: Intelligence Community in the Network Age, Tokyo: Keio University Press, 2007.
• Motohiro Tsuchiya, Network Power: International Politics in the Information Age, Tokyo: NTT Publishing, 2007.
• Motohiro Tsuchiya, Net Politics: Information Strategies in the World after 9/11, Tokyo: Iwanami Publishing, 2003.
• Motohiro Tsuchiya, Information and Global Governance: Nation States in Turbulent Internet World, Tokyo: Keio University Press, 2001.

Articles in English (Selected)

• Motohiro Tsuchiya, "Cyber Conflict is Simply a Question of When, Not If," The APR (Asia-Pacific Roundtable) Series E-Monograph, February 2016.
• Motohiro Tsuchiya, "Rethinking Cybersecurity: Japan Pension Service Hack Forces New Strategy," nippon.com, September 14, 2015.
• Motohiro Tsuchiya, "The Fog Surrounding China’s Cyber Security," JIIA US-China Relations Report, Vol. 1, September 10, 2015.
• Motohiro Tsuchiya, "Japan is Ready for an International Alliance Against Cyber Threats," CFR Net Politics, December 23, 2014.
• Motohiro Tsuchiya, "Cyber Security as a Non-traditional Threat to National Security : Application of the Concept of Territorial Intrusion into Cyberspace," Akio Watanabe, ed., Japan under the Power Shift : Its Security in the 2010s, The National Institute for Defense Studies, 2014.
• Motohiro Tsuchiya, "Systematic Government Access to Private-Sector Data in Japan," International Data Privacy Law, doi: 10.1093/idpl/ips019, First published online: August 21, 2012.
• Motohiro Tsuchiya, "Patriotic Geeks Wanted to Counter a Cyber Militia," AJISS-Commentary, February 17, 2012.
• Motohiro Tsuchiya, "Defense against Cyber Terrorism: Head War and Body War," Transformacje, Special Issue 2010, pp. 259-267.
• Michiko Yoshida and Motohiro Tsuchiya, "SNSs and "Emergence" in Networks," tranlslated from an article published in Jiji Press ed., World Affairs Weekly , November 8-15 (released: October 28, 2005). (pdf)
• Motohiro Tsuchiya and Adam Thierer, "Is America Exporting Misguided Telecommunications Policy? : The U.S.-Japan Telecom Trade Negotiations and Beyond," CATO Institute Briefing Papers, No. 79, January 7, 2002.

Presentations in English (Selected)

• Motohiro Tsuchiya, "Japan's Response to Cyber Threats," 13th Japan-Canada Symposium on Peace and Security Cooperation, Ottawa, Canada, November 25, 2015.
• Motohiro Tsuchiya, "Japan's Response to Cyber Threats," Korea University Cyber Law Centre, Seoul, ROK, October 2, 2015.
• Motohiro Tsuchiya, "Japan-US Cooperation: A Vision for Collaboration in Cyberspace to Ensure Peace and Security across the Asia Pacific," USJI, Washington, DC, United States, September 18, 2015.
• Motohiro Tsuchiya, "Japan's Response to Cyber Threats," China Defense Science and Technology Information Center (CDSTIC), China, June 25, 2015.
• Motohiro Tsuchiya, "Cyber Security and Intelligence Activities: Shift from Espionage to Surveillance," 2nd International Conference on Internet Science, Brussels, Belgium, May 28, 2015.
• Motohiro Tsuchiya, "International Alliance against Cyber Threats," Trade and the Digital Economy: Opportunities for U.S.-Japan Global Leadership, Brookings Institution, Washington, DC, United States, March 30, 2015.
• Motohiro Tsuchiya, "National Security of Cyberspace: How Can We Defend against Cyber Threats?," The 14th East-West Center International Graduate Student Conference, Honolulu, HI, United States, February 12, 2015.
• Motohiro Tsuchiya, "Cyber Security and International Politics in the Age of Big Data," Asia Forum on Cyber Security and Privacy, Cloud and Big Data: Challenges for Policy Making, Tokyo, Japan, May 30, 2013.
• Motohiro Tsuchiya, "Kinetic Cyber Defense: The Case Study of Japan," CENS Workshop on “Effective and Credible Cyber Deterrence,” Marina Mandarin Hotel, Singapore, May 27, 2013.
• Motohiro Tsuchiya, "Cyber Security in East Asiaand Japan’s Response," 11th Canada-Japan Symposium on Peace and Security Cooperation, Ottawa, Canada, May 24, 2013.
• Motohiro Tsuchiya, "International Politics of Submarine Cables," Pacific Telecommunications Council, "Research Workshop: Bridging the Digital Divide in the Pacific Islands," Honolulu, Hawaii, United States, January 21, 2013.
• Motohiro Tsuchiya, "Future Japan-Australia Pathways to Defense Collaboration in Cyber Security," Australia-Japan Security Relations in A Changing Strategic Environment, National Institute for Defense Studies (NIDS), Tokyo, Japan, December 3, 2012.
• Motohiro Tsuchiya, "Cybersecurity Preparedness in Japan: Response to the 2009 Attacks on South Korea and the United States," Seoul Defense Dialogue, Seoul, Republic of Korea, November 15, 2012.
• Mito Akiyoshi, Motohiro Tsuchiya, Takako Sano, "Missing In the Midst of Abundance: The Case of Broadband Adoption in Japan," The 39th Research Conference on Communication, Information and Internet Policy, Arlington VA, United States, September 24, 2011.
• Motohiro Tsuchiya, "Cybersecurity Preparedness in Japan: Response to the 2009 Attacks on South Korea and the United States," CENS-GFF Workshop on The Geostrategic Implications of Cyberspace, July 18, 2011, Singapore.
• Motohiro Tsuchiya, "Cyber Security Initiatives in Japan: Response to Emerging Threats in East Asia," Canadian Association for Security and Intelligence Studies (CASIS), October 15, 2010, Fairmont Château Laurier Hotel, Ottawa, Canada.
• Motohiro Tsuchiya, "Cyber Security in East Asia," U.S.-Japan Research Institute Event, September 8, 2010, Washington, D.C.
• Motohiro Tsuchiya, "Restructuring of Japanese Intelligence Agencies," International Intelligence History Association 15th Annual Meeting, October 19. 2009, Tel Aviv, Israel.
• Motohiro Tsuchiya, "Defense against Cyber Terrorism: Head War and Body War," MD16, Cyber Terrorism, National Security, and International Communication, Panel, International Studies Association Annual Convention 2009, February 16, New York.
• Motohiro Tsuchiya, "Understanding the Cyber World: From Geeks to Security," Information and Communication Technologies and International Security Conference, United Nations Institute for Disarmament Research, 24-25 April 2008, Geneva.
• Motohiro Tsuchiya, "Defence against Cyber Terrorism," International Symposium "Global Terrorism and International Cooperation II," Centre of Excellence Defence Against Terrorism (COE-DAT), 10-11 March 2008, Ankara, Turkey.
• Hiroshi Yamakawa, Michiko Yoshida, and Motohiro Tsuchiya, "Toward Delegated Democracy: Vote by Yourself, or Trust Your Network," Procceedings of World Academy of Science, Engineering and Technology, Vol. 24, pp. 146-150, Nice, France, October 2007.
• Motohiro Tsuchiya, "Japan's Creativity and Soft Power," Toward a Knowledge Society: U.S.-Japan Perspectives, Japan Society, March 1, 2006, New York.
• Motohiro Tsuchiya, " Internet in Asia: Is the US Falling Behind?" at the U.S. Congressional Internet Caucus Advisory Committee, November 20, 2003.
• Motohiro Tsuchiya, "Quest for Broadband in Japan," at NECA Broadband Summit 2003, April 23, 2003.
• Motohiro Tsuchiya, "Quest for Broadband: e-Japan ver. 2.0," at CSIS, March 4, 2003.
• Motohiro Tsuchiya, "Comparative Studies of Encryption Regulations in the U.S. and Japan," presented at INET 2002, Crystal Gateway Marriott, Arlington, Virginia, U.S., 21 June, 2002.
• Motohiro Tsuchiya, "Japanese Anti-Spam Laws" presented at a workshop "Spam: Can It Be Stopped?," organized by Global Internet Project (GIP), Crystal Gateway Marriott, Arlington, Virginia, U.S., 18 June, 2002.
• Motohiro Tsuchiya, "Encryption Policy and the Role of the Internet Community: Regulation of a New Weapon in the United States and Japan," presented at the International Studies Association, Hong Kong, July 28, 2001.
• Motohiro Tsuchiya, "Which Side Are We Along the Digital Divide?: The Present Status of East Asian Internet," presented at Framework Session II, Forum 21, The College of William and Mary, Virginia, U.S., September 11, 2000.
• Motohiro Tsuchiya, "Information Disclosure of Japanese Government on WWW Servers," presented at the Fifth International Conference on Japanese Information in Science, Technology and Commerce; Washington, DC, August 1st, 1997.