DIWeDa - Detecting Intrusions in Web Databases

  • Authors:
  • Alex Roichman;Ehud Gudes

  • Affiliations:
  • Department of Computer Science, The Open University, Raanana, Israel;Department of Computer Science, The Open University, Raanana, Israel and Department of Computer Science, Ben-Gurion University, Beer-Sheva, Israel

  • Venue:
  • Proceeedings of the 22nd annual IFIP WG 11.3 working conference on Data and Applications Security
  • Year:
  • 2008

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Abstract

There are many Intrusion Detection Systems (IDS) for networks and operating systems and there are few for Databases- despite the fact that the most valuable resources of every organization are in its databases. The number of database attacks has grown, especially since most databases are accessible from the web and satisfactory solutions to these kinds of attacks are still lacking.We present DIWeDa - a practical solution for detecting intrusions to web databases. Contrary to any existing database intrusion detection method, our method works at the session level and not at the SQL statement or transaction level. We use a novel SQL Session Content Anomaly intrusion classifier and this enables us to detect not only most known attacks such as SQL Injections, but also more complex kinds of attacks such as Business Logic Violations. Our experiments implemented the proposed intrusion detection system prototype and showed its feasibility and effectiveness.