Tae Hyun Kim is the CTO of SNTWORKS and a lecture of Sejong cyber University, Rep. of Korea. He received his PhD in engineering in information security from Korea University, Seoul, Rep. of Korea, in 2009. Before joining SNTWORKS, He was a security analyst of Telecommunication Technology Association. In the past, he was a research professor of the Center for Information Security Technologies (CIST) at Korea University, Seoul, Rep. of Korea, and a visiting researcher with the School of Systems Information Science, Future University, Hakodate, Japan. Moreover, he was a researcher with the Attached Institute of ETRI, Daejeon, Rep. of Korea. His research interests include side channel attacks, fault injection attacks, and the design and implementation of the cryptosystems.