中文摘要：

Zhang Lei, male, received his M.S. degree in Control Theory and Control Engineering from School of Control Science and Technology, Shandong University, in 2005. Currently he is a Research Assistant in Shandong Computer Science Center. His research interests are mainly in information security, computer forensics and hardware-based memory acquisition. Wang Lianhai, male, Professor in Shandong Computer Science Center, supervisor of master. He is an Outstanding Contributtions Expert of Shandong Province and was awarded with special allowance from the national government. His research interests are among information security, live forensics, memory analysis and mobile forensics. Zhang Ruichao, male, received a Ph.D. in applied mathematics from Beijing Institute of Technology, now he is an Associate Professor in Shandong Computer Science Center. His research interests are among information security, cryptographic algorithm and computer forensics. Zhang Shubui, female, received her M.S. degree from Shandong University, now she is a Research Associate in Shandong Computer Science Center. Her research interests are mainly in Computer forensics, memory analysis and password deciphering. Zhou Yang, male, received his M.S. degree from Shandong University of Science and Technology, now a Research Assistant Shandong Computer Science Center. His mare research areas arc： network security, intrusion detection and computer forensics.