TAILIEUCHUNG - The Art of Intrusion Detection

What is Intrusion? . Malice gets Alice’s user name & password and impersonates Alice Intruders are attackers who obtain login information of legitimate users and impersonate them | J. Wang. Computer Network Security Theory and Practice. Springer 2008 Chapter 9 The Art of Intrusion Detection J. Wang. Computer Network Security Theory and Practice. Springer 2008 Chapter 9 Outline Basic Ideas of Intrusion Detection Network-Based and Host-Based Detections Signature Detections Statistical Analysis Behavioral Data Forensics Honeypots J. Wang. Computer Network Security Theory and Practice. Springer 2008 Basic Ideas of Intrusion Detection What is Intrusion? . Malice gets Alice’s user name & password and impersonates Alice Intruders are attackers who obtain login information of legitimate users and impersonate them J. Wang. Computer Network Security Theory and Practice. Springer 2008 Basic Ideas of Intrusion Detection Observation! (Back to mid-1980’s) Intruder’s behavior is likely to be substantially different from the impersonated users The behavior differences can be “measured” to allow quantitative analysis Intrusion detection: Identify as .

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