Anomaly-based network intrusion detection using outlier subspace analysis: a case study

  • Authors:
  • David Kershaw;Qigang Gao;Hai Wang

  • Affiliations:
  • Faculty of Computer Science, Dalhousie University;Faculty of Computer Science, Dalhousie University;Sobey School of Business, St. Mary's University

  • Venue:
  • Canadian AI'11 Proceedings of the 24th Canadian conference on Advances in artificial intelligence
  • Year:
  • 2011

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Abstract

This paper employs SPOT (Stream Projected Outlier de-Tector) as a prototype system for anomaly-based intrusion detection and evaluates its performance against other major methods. SPOT is capable of processing high-dimensional data streams and detecting novel attacks which exhibit abnormal behavior, making it a good candidate for network intrusion detection. This paper demonstrates SPOT is effective to distinguish between normal and abnormal processes in a UNIX System Call dataset.