2013 the 2nd International Conference on Security Science and Technology(ICSST 2013) will be held during April 1-2, 2013 in Singapore, organized by IACSIT and International Journal of Engineering and Technology (IJET). ICSST 2013, aims to bring together researchers, scientists, engineers, and scholar students to exchange and share their experiences, new ideas, and research results about all aspects of Security Science and Technology, and discuss the practical challenges encountered and the solutions adopted.