1. List and briefly define three classes of intruders. 2. Give examples of intrusion. 3. What are the two ways used for protecting a password file? 4. Explain how statistical anomaly detection and...

1. List and briefly define three classes of intruders.

2. Give examples of intrusion.

3. What are the two ways used for protecting a password file?

4. Explain how statistical anomaly detection and rule-based intrusion detection are used to detect different types of intruders.

5. Give examples of metrics that are useful for profile-based intrusion detection.