Prerequisites: CIT 360/L and IS 435; Attempted Upper Division Writing Proficiency Exam. This course will provide a comprehensive introduction and study into a broad selection of contemporary information systems security issues, concepts and policies, including the survey of state-of-the art technology used to address security problems. Topics of study include the basic principles of information systems security, including cryptography, identifications and authentications, access control models and mechanisms, multilevel database security, Internet security, planning and administering security, risk analysis, social issues such as individual privacy, and the role of public policy. The students will gain an understanding of the threats to information resources and learn about counter measurements and their limitations. Two hours of lecture and three hours of laboratory per week. Credit not allowed for both CIT 425/L and COMP 424.