An Intrusion Detection System (IDS) is designed to monitor network or system activities for malicious actions or policy violations. Its primary purpose is to detect suspicious activities and generate alerts so that administrators can take appropriate action. Unlike preventive controls that block or prevent attacks, IDS serves as a detective control, identifying potential threats without necessarily stopping them.
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What are the different types of Intrusion Detection Systems (IDS)?
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How does an IDS differentiate between normal and suspicious activities?
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What should administrators do when an IDS alerts them about suspicious activity?