Taek Young Youn received his BS, MS, and Ph.D from Korea University in 2003, 2005, and 2009, respectively. From 2010 to 2020, he has worked as a senior researcher at Electronics and Telecommunications Research Institute (ETRI), Korea. From 2016 to 2020, he serves as an associate professor in University of Science and Technology (UST), Korea. From 2020, he serves as an assistant professor in Dankook University, Korea. His research interests include cryptography, information security, authentication, data privacy, and security issues in various communications.