Liu Yuwen, Ph.D., lecturer, obtained a bachelor's degree in Electrical Engineering and Information Science in 2003, and a Ph.D. in Information Security in 2010 from the University of Science and Technology of China. He is mainly engaged in research work on operating systems and security software technologies. he participated as a main member in the project “Research on Key Technologies of Trust Chain Construction in Trusted Computing Platform: Trusted Computing Trust Chain Construction System” (Project No.: 2007AA01Z412) of the National High-tech R&D Program (863 Program) ; the project “Trusted Computing Password Application Demonstration Project” (Project No.: 2008BAH22B06) of National Science and Technology Support Program. He has one patent for invention, published two papers, of which two were retrieved by EI.