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What is Intrusion Detection

Detection of break-ins or attempted break-ins by manual means or by software expert systems operating on the basis of logs or other information available on the network. An Intrusion Detection System (IDS) effectively acts as a "burglar alarm" for a network or a system. It can identify someone "casing" the system and can detect the "rattling of door knobs" to see if the house is unlocked. It can also "hear the shattering of glass" as entry is gained and can "sound the alarm" and "call the police". Additionally, it can monitor and log forensic evidence to support any legal case.

© Crown Copyright. Material taken from the DTI - Department for Trade and Industry. Reproduced under the terms and conditions of the Click-Use Licence.

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Term created / updated 2007-02-28 13:49:42

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