Using Generalization and Characterization Techniques in the Anomaly-Based Detection Of Web Attacks

The custom, ad hoc nature of web applications makes learning-based anomaly detection systems a suitable approach to provide early warning about the exploitation of novel vulnerabilities. However, anomaly-based systems are known for producing a large number of false positives and for providing poor or non-existent information about the type of attack that is associated with an anomaly. This paper presents a novel approach to anomaly based detection of web-based attacks. The approach uses an anomaly generalization technique that automatically translates suspicious web requests into anomaly signatures.

Provided by: University of Calgary Topic: Security Date Added: Aug 2006 Format: PDF

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