Definition Edit

A Network Intrusion Detection System (NIDS) is

[s]oftware that performs packet sniffing and network traffic analysis to identify suspicious activity and record relevant information.[1]
used to identify and analyze communication traffic on a computer network and to identify unauthorized or malicious activity.[2]

Overview Edit

There are two basic types of NIDSs:

References Edit

  1. NIST Special Publication 800-86, at C-2.
  2. Cybersecurity Procurement Language for Energy Delivery Systems, at 29.

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