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Exploring File Integrity Checks In Intrusion Detection Systems

General Esm H446
The current state of Intrusion Detection Systems(IDS) would have to be considered fairly mature. The market for IDS and Intrusion Prevention Systems (IPS) is a large percentage of the $14 billion security software[1] industry with dozens of vendors and service providers worldwide.

The functionality provided by these systems can be broken down into three broad categories:

Perimeter control

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