This course is an introduction to security issues facing computer professionals today. Students acquire the knowledge and skills to maintain the integrity, authenticity, availability, and privacy of data. It covers computer viruses, authentication models, certificates, group policy, cryptography, and access control. It also introduces the fundamental security issues of programming, database and web server. Other topics include how to monitor the system for suspicious activity and fend off attacks, keeping spies and spam out of e-mail, taking control of security by encrypting data, designing an active directory, blocking sports, and locking down the registry.