Kuinam J. Kim is a professor and chairman of convergence Security Department, Kyonggi University, Korea. He is the founding Editor in Chief of the ICAT Transactions on Convergence IT Security. He is currently on the advisory editorial board of the Convergence Security Journal. He is President of Korea Industry Security Forum and Korea Convergence Security Association. His research interests include cloud computing, wireless and mobile computing, digital forensics, video surveillance, information and convergence security. He has published extensively in these areas and received several Journals and conferences best paper awards.  He received B.S in Mathematics from the University of Kansas. His Ph.D in Industrial Engineering from Colorado State University was earned in 1994. He is Executive General Chair of the Institute of Creative and Advanced Technology, Science, Engineering (ICATSE).  Hyuncheol Kim is a professor ofcomputer software department, Namseoul university, Korea. He received his Ph. D. degree in the department of information engineering from Sungkyunkwan University, Korea, in 2005. From 1992 to 2002, he was senior engineer in Electronics and Telecommunications Research Institute (ETRI), Daejon, Korea. He has been a professor in the department of computer science in Namseoul University, Korea. His research interests include cloud computing, next generation network and embedded computing systems.