The International Journal of Innovative Research in Computer and Communication Engineering
The use of web applications are increasing tremendously but unfortunately it has been a valuable target for security attacks. To accommodate this increase in application and data complexity, web application adopted to multitier design. As the use of web applications has increased, the sophistication of attacks against these applications has grown as well. To protect the web application, intrusion detection system has emerged. This paper presents an intrusion detection system for multitier web application to detect attacks by using mapping model as well as taint inference technique, that provide a defense against both the attack occur in normal traffic and injection attacks.