What is Intrusion Detection System (IDS)

Internet is a global public network. With the growth of the Internet and its potential, there has been subsequent change in business model of organizations across the world. More and more people are getting connected to the Internet every day to take advantage of the new business model popularly known as e-Business. Internetwork connectivity has therefore become very critical aspect of today’s e-business. “Intrusion is an unauthorized access to the system with the intent of doing theft of information or harms the system. The act of detecting intrusions, monitoring the incidents occurring in the computer system, the suspicious or unusual activities, taking place in the system, which can be the possible attack, is known as Intrusion Detection System (IDS)” If the computer is left unattended, any person can attempt to access and misuse the system. The problem is, however, far greater if the computer is connected to a network, particularly the Internet. Any user from around the world can reach the computer remotely (to some capacity) and may attempt to access private/confidential information or to launch some form of attack to bring the system to a halt or cease to function effectively. Overview The Intrusion Detection System (IDS) in a…

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