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11415 ATLANTIDES: An Architecture for Alert Verification in Network Intrusion Detection Systems
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Bolzoni, D. and Crispo, B. and Etalle, S. (2007) ATLANTIDES: An Architecture for Alert Verification in Network Intrusion Detection Systems. In: Proceedings of the 21st Large Installation System Administration Conference (LISA '07), 11-16 November 2007, Dallas, Texas. pp. 141-152. Usenix Association. ISBN 978-1-931971-55-3

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We present an architecture designed for alert verification (i.e., to reduce false positives) in network
intrusion-detection systems. Our technique is based on a systematic (and automatic) anomaly-based
analysis of the system output, which provides useful context information regarding the network
services. The false positives raised by the NIDS analyzing the incoming traffic (which can be either
signature- or anomaly-based) are reduced by correlating them with the output anomalies. We designed
our architecture for TCP-based network services which have a client/server architecture (such as
HTTP). Benchmarks show a substantial reduction of false positives between 50% and 100%.

Item Type:Conference or Workshop Paper (Full Paper, Talk)
Research Group:EWI-DIES: Distributed and Embedded Security
Research Program:CTIT-ISTRICE: Integrated Security and Privacy in a Networked World
Research Project:IPID: Integrated Policy-based Intrusion Detection
Additional Information:Upgrade and substitute technical report TR-CTIT-06-13
ID Code:11415
Deposited On:28 November 2007
More Information:statisticsmetis

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