1. List and briefly define three classes of intruders.
2. What are two common techniques used to protect a password file?
3. What are three benefits that can be provided by an intrusion detection system?
4. What is the difference between statistical anomaly detection and rule-based intrusion detection?
5. What metrics are useful for profile-based intrusion detection?
6. What is the difference between rule-based anomaly detection and rule-based penetration identification?
7. What is a honeypot?
8. What is a salt in the context of UNIX password management?
9. List and briefly define four techniques used to avoid guessable passwords.