Immune anomaly detection enhanced with evolutionary paradigms

  • Authors:
  • Marek Ostaszewski;Franciszek Seredynski;Pascal Bouvry

  • Affiliations:
  • University of Luxembourg, Luxembourg-Kirchberg, Luxembourg;Polish-Japanese Institute of Information Technology, Warsaw, Poland and Polish Academy of Sciences, Warsaw, Poland;University of Luxembourg, Luxembourg-Kirchberg, Luxembourg

  • Venue:
  • Proceedings of the 8th annual conference on Genetic and evolutionary computation
  • Year:
  • 2006

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Abstract

The paper presents an approach based on principles of immune systems to the anomaly detection problem. Flexibility and efficiency of the anomaly detection system are achieved by building a model of network behavior based on the self-nonself space paradigm. Covering both self and nonself spaces by hyperrectangular structures is proposed. Structures corresponding to self-space are built using a training set from this space. Hyperrectangular detectors covering nonself space are created using niching genetic algorithm. A coevolutionary algorithm is proposed to enhance this process. Results of experiments show a high quality of intrusion detection, which outperform the quality of recently proposed approach based on hypersphere representation of self-space.