Jinchun Choi is a Ph.D. student at the Department of Computer Science at the University of Central Florida and the Department of Computer Information Science of Inha University (joint Ph.D. program). He has obtained his B.Eng. and M.S. degrees from the Inha University, in Incheon, Korea, in 2011, 2014, respectively. He is a member of the Global Research Lab on Big Data Security and is conducting research in the field of information security. In particular, his interests include biometrics, network security, user authentication and IoT security.