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Dordevic B.,Institute Mihailo Pupin D.o.o | Timcenko V.,Institute Mihailo Pupin D.o.o | Bojovic M.,IT011 | Milosavljevic M.,Singidunum University
Elektronika ir Elektrotechnika | Year: 2014

The research topic that this paper is focused on is intrusion detection in critical network infrastructures, where discrimination of normal activity can be easily corrected, but no intrusions should remain undetected. The intrusion detection system presented in this paper is based on support vector machines that classify unknown data instances according both to the feature values and weight factors that represent importance of features towards the classification. The major contribution of the proposed model is significantly decreased false negative rate, even for the minor categories that have a very few instances in the training set, indicating that the proposed model is suitable for aforementioned environments.

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