Build a CVE-Based Intrusion Detection Expert System upon CLIPS

This paper describes the design and implementation of a real-time Intrusion Detection Expert System and lays a strong emphasis on the how to build a CVE-Based Intrusion Detection Expert System upon CLIPS .this system is an independent system that monitors the activities of different types of subjects,such as users and remote hosts,of a target system to detect security violation by both insiders and outsiders as they occur.And it can adaptively lean subjects'behavior patterns over time and detects behavior that deviates from these patterns.