pt. I. Information security basics. What is information security? ; Types of attacks ; Hacker techniques ; Information security services -- pt. II. Groundwork. Legal issues in information security ; Policy ; Managing risk ; Information security process ; Information security best practices -- pt. III. Security technologies. Firewalls ; Virtual private networks ; Encryption ; Intrusion detection -- pt. IV. Practical applications and platform-specific implementations. Unix security issues ; Windows 2000/Windows 2003 server security issues ; Internet architecture ; E-commerce security needs ; Wireless security -- A. Answers to mastery checks