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Intrusion-Detection-System-->View question


Asked On2017-06-05 12:28:00 by:Aparna-Dasgupta

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arunwebberneenu2

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An intrusion detection system (IDS) is a device or software application that monitors a network or systems for malicious activity or policy violations. Any detected activity or violation is typically reported either to an administrator or collected centrally using a security information and event management (SIEM) system. A SIEM system combines outputs from multiple sources, and uses alarm filtering techniques to distinguish malicious activity from false alarms.
Disadvantages of Intrusion Detection system (IDS):
Often intrusion detection systems often produce false report of malicious activity. Sometimes this makes the real malicious activity ignored.
One of the key features of most intrusion detection system is they operate upon packets which are encrypted. These encrypted packets are complicated for analysis.
Advantages of Intrusion Detection system (IDS):
Intrusion detection system can monitor a network for any kind of abusive, abnormal or malicious activity.It keeps to log of every single malicious or abusive activity. These logs are very important for security professionals to take any steps or to set any rules against these activities.The logs kept by IDS can be used against an abuser as an evidence to take any legal step.

Answerd on:2017-06-28 Answerd By:prajwalamv

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