Proceedings of the 3rd International Workshop on Security in Information Systems Acronym: WOSIS 2005/ICEIS Event held on: May 24-28, 2005, in Miami, United States Editors: Eduardo Fernández-medina 1 , Julio C. Hernández 2 and Luis Javier García 3 Affiliations: 1 University of Castilla-La Mancha, Spain , 2 University Carlos III of Madrid, Spain , 3 , Spain ISBN: 972-8865-25-2