The Role of Intrusion Detection Systems

The Role of Intrusion Detection Systems

An intrusion detection system (IDS) is an application or device used to gather and analyzev information that passes across a network or host. An IDS is designed to analyze, identify, and report on any violations or misuse of a network or host.

Let’s take a close look at how an IDS works. An IDS is used to monitor and protect networks by detecting malicious activity and reporting it to a network administrator. Once activities of this type are detected, an administrator is alerted.

Here are some things to keep in mind as we go forward. An IDS:

  • Is designed to detect malicious or nonstandard behavior
  •  Gathers information from within a network to detect violations of security policy
  •  Reports violations and deviations to an administrator or system owner


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