Doctor of Philosophy, SungKyunKwan University University, Suwon, 2006.
Senior engineer Finance Security Engineer, Seoul, since 2007. Reviewer board member International Journal Computational Science, Hong Kong, since 2007. Editorial member Korea Institute Information Security and Cryptology, Seoul, 2009.
Editor itu-t sg17, Geneva, since 2009. With Korean Army, 1994-1998, KyungGi.
Member of Institute of Electrical and Electronics Engineers Asia-Pacific Service Computing Conference, Association for Computing Machinery (ACM) Workshop Digital Identity Management, International Conference Communications and Networking (China), Computer and Network Security Symposium International Conference Communications and Mobile Computing, International Conference Wireless and Mobile Communications, International Conference Information Assurance and Security.
Married Yun EunHa, October 13, 2002. Children: Lim Hyun-Seo, Lim Sun-Wo.