Advances in Information Security and Assurance Third International Conference and Workshops, ISA 2009, Seoul, Korea, June 25-27, 2009. Proceedings - Park, Jong Hyuk; Chen, Hsiao-Hwa; Atiquzzaman, Mohammed; Lee, Changhoon; Kim, Tai-hoon; Yeo, Sang-Soo (Springer Berlin Heidelberg : Imprint: Springer, 2009)