CISM Certified Information Security Manager Study Guide by Mike Chapple

Author:Mike Chapple [Chapple, Mike]
Language: eng
Format: epub
Tags: Computers, Operating Systems, Application Software, Computer Security, Nonfiction, Networking & Communications
ISBN: 9781119801948
Google: 5WVsEAAAQBAJ
Publisher: Sybex
Published: 2022-04-20T23:00:00+00:00

IDS Errors

Intrusion detection systems can make mistakes. Two different types of errors are caused by these systems, and monitoring those errors is an important part of security analytics:

False positive errors occur when the system alerts administrators to an attack but the attack does not actually exist. This is an annoyance to the administrator, who wastes time investigating the alert, and may lead to administrators ignoring future alerts.

False negative errors occur when an attack actually takes place but the intrusion detection system does not notice it.

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