Towards an immunity-based system for detecting masqueraders

Authors:
Takeshi Okamoto;Yoshiteru Ishida
Affiliations:
(Correspd. Tel.: +81 46 291 3264/ Fax: +81 46 291 3272/ E-mail: take4@nw.kanagawa-it.ac.jp) Department of Information Network and Communication, Kanagawa Institute of Technology, 1030, Shimo-ogino ...;Department of Knowledge-Based Information Engineering, Toyohashi University of Technology, 1-1, Tempaku, Toyohashi, Aichi 441-8580, Japan
Venue:
International Journal of Knowledge-based and Intelligent Engineering Systems
Year:
2009

Citing 6
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Abstract

This paper proposes an immunity-based system for detecting masqueraders in UNIX-like systems. The system is based on the specificity and diversity of the immune system. In other words, the immunity-based system has a user-specific agent for every user, and makes use of multiple profiles, not a single profile. The use of multiple profiles can lead to an improvement in masquerader detection accuracy. In fact, the immunity-based method outperforms other two methods which was the best detection performance in the previous works. In addition, we propose an evaluation framework for the immunity-based masquerader detection system. The evaluation framework is capable of evaluating the differences in detection accuracy between internal and external masqueraders.