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Network Based Anomaly Intrusion Detection System Using SVM
The security and integrity of a computer system is compromised when an intrusion occurs. It becomes impossible for legitimate users to access different network services when network-based attacks purposely occupy or sabotage network resources and services. Our proposed method is a scalable detection method for network based anomalies. We use Support Vector Machines (SVM) for classification. This paper presents a method for enhancing the training time of SVM, particularly when dealing with large data sets, using hierarchical clustering technique. We use the Dynamically Growing Self-Organizing Tree (DGSOT) algorithm for clustering because it has proved to overcome the problems of traditional hierarchical clustering algorithms (e.g., hierarchical agglomerative clustering). Clustering analysis helps to find the boundary points, which are the most qualified data points to train SVM, between any two classes. We present a new approach of combination of SVM and DGSOT, which begins with an initial training set and expands it gradually using the clustering structure produced by the DGSOT algorithm. We show that our proposed variations contribute significantly in improving the training process of SVM with high percentage of detection accuracy.
Keywords
SVM, Classification, Intrusion Detection, Intrusion Detection System, Network Security
User
Information
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