Dai Mochinaga

Cybersecurity researcher with relevant experience of technology and policy research, defence strategy analysis, R&D strategy development, and software development.


I am a cybersecurity researcher. My resarch interest includes cybersecurity, international relations, informationtechnology. I interested in how to develop cyberspace with technology and policy.


Network Protocols, Network Security, Cryptography, Interenational Relations, National Security



I spent 10+ years as a cybersecurity researcher at Mitsubish Research Institute Inc. I joined Japanese government funded projects related to cybersecurity, R&D strategy development, cryptographic technology evaluation, strategy analysis. I received doctor degree at Waseda University, working with Prof. Shigeki Goto.

  • 2019/06 -
    Seniro Researcher at Keio Research Institute at SFC
  • 2008/04 - 2018/10
    Researcher at Mitsubishi Research Institute Inc.
  • 2015/10 - 2017/09
    Fellow at CSIS-Nikkei Virtual Thinktank
  • 2010/09 - 2013/08
    Doctor's Course Student at Department of Computer Science and Engineering, School of Fundamental Science and Engineering, Waseda University
  • 2006/04 - 2008/03
    Master's Course Student at Department of Applied Physics, Graduate School of Science and Engineering, Waseda University
  • 2002/04 - 2006/03
    Bachelor's Course Student at Department of Applied Physics, Waseda University



  • Dai MOCHINAGA, "The Expansion of China’s Digital Silk Road and Japan’s Response", Asia Policy, Volume 15, Number 1, pp.41-60, January 2020. [Link]
  • Dai MOCHINAGA, Katsushi KOBAYASHI, Tomohiro KUDOH, Ichiro MURASE, and Shigeki GOTO, "Power Reduction by Optical Circuit Switching Network and CDN Utilizing Content Distribution over the Internet", The transactions of the Institute of Electronics, Information and Communication Engineers. B J94-B(10), pp.1293-1302, October 2011.

International Conference

  • Dai MOCHINAGA, “Key elements governing cyberspace and security environment in Japan and beyond”, Conference on East Asia ’s Security Challenges, The Truman Institute for Advancement of Peace, January 2018.
  • Dai MOCHINAGA, Katsushi KOBAYASHI, Ryo YAMADA, Shigeki GOTO, Akihiro SHIMODA, and Ichiro MURASE, ``i-Path: Improving Path Visibility for the Future Internet'' , 12th IEEE/IPSJ International Symposium on Applications and the Internet, July, 2012.
  • Katsushi KOBAYASHI, Dai MOCHINAGA, Tomohiro KUDOH, and Ichiro MURASE ``What can green hybrid optical circuit architecture achieve?'', IEEE Globecom 2010 Workshop on Green Communications (GreenCom 2010), p1412 - 1416, December 2010.
  • Dai MOCHINAGA, Katsushi KOBAYASHI, Shigeki GOTO, Akihiro SHIMODA, and Ichiro MURASE, ``Collecting Information to Visualize Network Status'', 28th APAN Network Research Workshop, p1 - 4, Kuala Lumpur, Malaysia, July 2009.
  • K. Ishii, F. Okazaki, J. Kurumida, K. Mizutani, H. Takeshita, K. Kobayashi, D. Mochinaga, S. Namiki, K. Sato, and T. Kudoh, “Unified approach of top-down and bottom-up methods for estimating network energy consumption”, 39th European Conference and Exhibition on Optical Communication (ECOC 2013), London, 2013, pp. 1-3.


  • Dai Mochinaga, Masayasu Murano, Motohiro Tsuchiya, Rulers of the Net: Influences beyond Borders, Tokyo, Nikkei Publishing Inc., August, 2018.