What is the difference between a network intrusion detection system (nids) and a network intrusion prevention system (nips)?

Detection vs Prevention

Explanation:

A Network Intrusion Detection System as the name suggests it "detects" the attackers / vulnerabilities existed in the network system / infrastructure.A Network Intrusion Prevention Detection System as the name suggests it "prevents" the attackers from hacking the system. While a detection just detects the abnormalities where as a prevention system can prevent them. The detection system detects the vulnerabilities, security threats and the attackers in the system through the web traffic analyzers and security analyzers.The prevention system prevents the network from being compromised. It tries to regain the access if already compromised.Both the NIDS and NIPS have to be coordinated for the full protection of the network.

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