Intrusion Detection Using Modern Techniques: Integration of Genetic Algorithms and Rough Set with Neural Networks

Intrusion Detection Using Modern Techniques: Integration of Genetic Algorithms and Rough Set with Neural Networks

Tarum Bhaskar (Indian Institute of Management, Calcutta, India) and Narasimha Kamath B. (Indian Institute of Management, Calcutta, India)
DOI: 10.4018/978-1-59904-937-3.ch110
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Abstract

Intrusion detection system (IDS) is now becoming an integral part of the network security infrastructure. Data mining tools are widely used for developing an IDS. However, this requires an ability to find the mapping from the input space to the output space with the help of available data. Rough sets and neural networks are the best known data mining tools to analyze data and help solve this problem. This chapter proposes a novel hybrid method to integrate rough set theory, genetic algorithm (GA), and artificial neural network. Our method consists of two stages: First, rough set theory is applied to find the reduced dataset. Second, the results are used as inputs for the neural network, where a GA-based learning approach is used to train the intrusion detection system. The method is characterized not only by using attribute reduction as a pre-processing technique of an artificial neural network but also by an improved learning algorithm. The effectiveness of the proposed method is demonstrated on the KDD cup data.

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