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What is a Network Intrusion Detection System (NIDS) and how does it work?
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  • What is a Network Intrusion Detection System (NIDS) and how does it work?

What is a Network Intrusion Detection System (NIDS) and how does it work?

A Network Intrusion Detection System (NIDS) monitors network traffic in real time to identify suspicious activity or potential security breaches. It analyzes data packets moving across the network, comparing them to known threat signatures and behavioral patterns.

When anomalies or malicious patterns are detected, the system generates alerts for administrators to investigate. NIDS can operate in signature-based mode (detecting known threats) or anomaly-based mode (spotting deviations from normal traffic).

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