Browsing by Author "Bannakkotuwa, S. V"

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E-commerce (WEB) Application security: Defense against Reconnaissance
(IEEE, 2016-12-08) Perera, A. C; Kesavan, K; Bannakkotuwa, S. V; Liyanapathirana, C; Rupasinghe, L
Intrusion Detection/prevention Systems and web application firewalls provide important layer(s) of security for web applications. Even though they are well configured and maintained continually with latest attack signatures and profiles, they often fail when it comes to reconnaissance because the requests of reconnaissance to the web server often take a form of legitimate requests and they are unpredictable. Addition of signatures of reconnaissance or learning legitimate request patterns used to identify reconnaissance are practically infeasible because of the time, resource and performance issues. On the other hand IDS, IPS and WAFs prioritize "attacks" over the "reconnaissance" - thus, it always tends to consider most of the reconnaissance as "events" not "incidents" which enables the adversaries to have a good understanding/profile of the web applications. The goal of this research is to analyze the reconnaissance patterns which can bypass security layers such as IDS/IPS or WAF and providing a solution which can handle the reconnaissance without hindering the performance of the application. The proposed solution is demonstrated as a plugin for a known PHP framework.