Date Added: Jan 2013
An intrusion detection system is a computer-based information system designed to collect information about malicious activities in a set of targeted IT resources, analyze the information, and respond according to a predefined security policy. The most common computer intrusion detection systems detect signatures of known attacks by searching for attack-specific keywords in network traffic. Intrusion-detection systems aim at detecting attacks against computer systems and networks or in general, against information systems. This strategy is mainly focus on to detect intrusion in multitier web applications. Multitier web application include two ends that is front end as well as back end of the applications.