Wan Yeon Lee received his BS., MS. and PhD in Computer Science and Engineering from POSTECH in 1994, 1996 and 2000, respectively. He is currently a Professor in the Department of Computer Science, Dongduk Women's University, South Korea. From 2000 to 2003, he was a research engineer in LG Electronics and worked for the standardization of Next Generation Mobile Network of 3GPP Group. From 2003 to 2011, he was an Associate Professor at Hallym University, chunchon, South Korea. His research interest includes digital forensics, system software, embedded system and computer security.