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Which of the following is a weakness of both statistical anomaly detection and pattern matching?
Correct Answer: B
Disadvantages of Knowledge-based ID systems: This system is resources-intensive; the knowledge database continually needs maintenance and updates New, unique, or original attacks often go unnoticed.Disadvantages of Behavior-based ID systems: The system is characterized by high false alarm rates. High positives are the most common failure of ID systems and can create data noise that makes the system unusable. The activity and behavior of the users while in the networked system might not be static enough to effectively implement a behavior-based ID system. -Ronald Krutz The CISSP PREP Guide (gold edition) pg 88