As computer and telecommunication are widely used, security issues become of great concern and are a leading barrier to widespread commerce on the Internet. However, without tackling the problem from a technical as well as s managerial view, the security problem could not be solved thoroughly. The purpose of this course is to help the students to gain an in-depth knowledge on issues regarding computer security. Lectures, literature review, case study will be used throughout the semester. Topics will be covered including: computer security overview, physical protection, systems security and control, data security, risk analysis, security management, disaster recovery and contingency planning, and legal and ethical issues.