A Novel Covariance Matrix Based Approach for Detecting Network Anomalies

Authors:
Mahbod Tavallaee;Wei Lu;Shah Arif Iqbal;Ali A. Ghorbani
Affiliations:
-;-;-;-
Venue:
CNSR '08 Proceedings of the Communication Networks and Services Research Conference
Year:
2008

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Abstract

During the last decade, anomaly detection has attracted the attention of many researchers to overcome the weakness of signature-based IDSs in detecting novel attacks. However,having a relatively high false alarm rate, anomaly detection has not been wildly used in real networks. In this paper, we have proposed a novel anomaly detection scheme using the correlation information contained in groups of network traffic samples. Our experimental results show promising detection rates while maintaining false positives at very low rates.