Jin Kwak (Member, IEEE) received his B.S., M.S., and Ph.D. degrees in computer science and engineering from Sungkyunkwan University, Seoul, Korea, in 2000, 2003, and 2006, respectively. He was Deputy Director of the Ministry of Information and Communication, South Korea. He was also a Professor with the Department of Information Security Engineering, Soonchunhyang University, South Korea. He is currently a Professor with the Department of Cybersecurity, Ajou University, South Korea. His current research interests include Risk Management System (RMF), zero trust architecture, cryptographic protocols, cloud security, and applied security services.