Intrusion Detection Systems

Intrusion Detection Systems






CMIT368
August 12, 2006



Introduction
As technology has advanced, info schemes have become an integral startle of every sidereal day life. In fact, there are not too many another(prenominal) public or private actions that can take part in todays society that do not include some type of information governing body at some level or another. While information systems repair our lives easier in most respects, our dependency upon them has become increasingly capitalized upon by persons with malicious intent. Therefore, security within the information systems realm has introduced a number of new devices and package to help combat the pitiable results of unauthorized network access, identity theft, and the like one of which is the incursion detection system, or IDS.
Intrusion detection systems are principally employ to detect unauthorized or unconventional accesses to systems and typically consist of a sensor, monitoring agent (console), and the core engine. The sensor is used to detect and generate the security events, the console is used to control the sensor and monitor the events/alarms it produces, and the engine compares rules against the events database generated by the sensors to restore which events have the potential to be an attack or not (Wikipedia, 2006, para. 1-3).




IDS generally consist of two types signature-based and anomaly-based. Signature-based IDS operate by canvass network traffic against a known database of attack categories. In fact, signature-based IDS work much in the same way that antivirus software does, except network traffic is examined instead of files. This type of IDS is highly effective against known attack types. Anomaly-based IDS observe actual system behavior against baselined behavior. Any activities that contradict otherwise standard system use may be considered an attack and generate an alert. This is considered a heuristic approach to intrusion detect and is effect against...If you wish to get a full essay, order it on our website: Ordercustompaper.com



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