What is advantages of intrusion detection system?

Answer 1

Basically, instrusion detection -- either software installed on a computer or server or software built into a security appliance -- is for detecting and notifying you of any unuathorized attempt to gain access to your computer or network. There are several different schemes for intrustion detection, all based on some sort of user or machine authentication.

Answer 2

Many businesses store their clients personal information as well as the businesses personal information on their computers. It is important for businesses to know who is accessing the information contained in its computers. Therefore it is vitally important that it has a network intrusion detection system installed.

Answer 3

An Intrusion Detection System (IDS) alerts the authorized person(like a SysAdmin) about intrusion attempts into your network. This is basically a monitoring system and therefore you can't expect it to stop an intrusion but however there maybe some IDS which provide that feature.

IDS provides protections against Identity Theft, Information mining and Network hacking.