An Immune Inspired Approach to Anomaly Detection

Details An Immune Inspired Approach to Anomaly Detection An Immune Inspired Approach to Anomaly Detection

2009-10-16

arxiv.org/abs/0910.3117v1

Handbook of Research on Information Security and Assurance, Chapter X, 2008

Computer Science

Artificial Intelligence

19 pages, 4 tables, 2 figures, Handbook of Research on Information Security and Assurance

Scientific paper

The immune system provides a rich metaphor for computer security: anomaly detection that works in nature should work for machines. However, early artificial immune system approaches for computer security had only limited success. Arguably, this was due to these artificial systems being based on too simplistic a view of the immune system. We present here a second generation artificial immune system for process anomaly detection. It improves on earlier systems by having different artificial cell types that process information. Following detailed information about how to build such second generation systems, we find that communication between cells types is key to performance. Through realistic testing and validation we show that second generation artificial immune systems are capable of anomaly detection beyond generic system policies. The paper concludes with a discussion and outline of the next steps in this exciting area of computer security.

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