Prof. Changhoon Lee received his Ph.D. degree from the Graduate School of Information Management and Security (GSIMS), Korea University, Korea. In 2008, he was a Research Professor at the Center for Information Security Technologies in Korea University. In 2009–2011, he was a Professor at the School of Computer Engineering in Hanshin University. He is now a Professor at the Department of Computer Science and Engineering, Seoul National University of Science and Technology (SeoulTech), Korea. He has been serving not only as chairs, on program committees, or organizing committee chairs for many international conferences and workshops, but also as a (guest) editor for international journals by some publishers. His research interests include Cyber Threat Intelligence (CTI), Information Security, Cryptography, Digital Forensics, IoT Security, Computer Theory, etc. He is currently a member of the IEEE, IEEE Computer Society, IEEE Communications, IACR, KIISC, KDFS, KIPS, KITCS, KMMS, KONI, and KIIT societies.