Hello,
I am currently an Assistant Professor in the School of Computer Science and Engineering at Pusan National University, having joined in March 2024. I hold a Ph.D. in Computer Science from the Graduate School of Information Security at the Korea Advanced Institute of Science and Technology (KAIST).
From August 2009 to 2012, I worked as a researcher at the National Security Research Institute (NSRI), and subsequently at RIMS from January 2013 to February 13, 2013.
From February 2013 to 2017, I served as a senior researcher and auditor at the Korea Institute of Nuclear Safety (KINS). Since 2017, until February 2024, I was a senior researcher and team leader in cybersecurity research at the Korea Atomic Energy Research Institute (KAERI).

Hello
I’m a professor at the department of computer engineering Chief of Energy IoT (Internet of Things) ITRC(IT Research Center) and Chief of ISEC(Information Security Education Center), PNU(Pusan National University).
Before I joined PNU, I had worked at ETRI(Electronics and Telecommunications Research Institute) as a team leader for 10 years since December 1998.
I had visited Chair for Communication Security Group(COSY) in Ruhr-University Bochum, Germany, as a post doctorial, from July 20030 to June 2004.
I got Ph.D. degree from POSTECH(Pohang University of Science and Technology) and bachelor’s degree from the KyungPook National University.