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Reseach Article

Network Anomaly Detection Using Unsupervised Model

Published on December 2011 by Prasanta Gogoi, Bhogeswar Borah, Dhruba K Bhattacharyya
Network Security and Cryptography
Foundation of Computer Science USA
NSC - Number 1
December 2011
Authors: Prasanta Gogoi, Bhogeswar Borah, Dhruba K Bhattacharyya

Prasanta Gogoi, Bhogeswar Borah, Dhruba K Bhattacharyya . Network Anomaly Detection Using Unsupervised Model. Network Security and Cryptography. NSC, 1 (December 2011), 19-30.

author = { Prasanta Gogoi, Bhogeswar Borah, Dhruba K Bhattacharyya },
title = { Network Anomaly Detection Using Unsupervised Model },
journal = { Network Security and Cryptography },
issue_date = { December 2011 },
volume = { NSC },
number = { 1 },
month = { December },
year = { 2011 },
issn = 0975-8887,
pages = { 19-30 },
numpages = 12,
url = { /specialissues/nsc/number1/4321-spe008t/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
%0 Special Issue Article
%1 Network Security and Cryptography
%A Prasanta Gogoi
%A Bhogeswar Borah
%A Dhruba K Bhattacharyya
%T Network Anomaly Detection Using Unsupervised Model
%J Network Security and Cryptography
%@ 0975-8887
%N 1
%P 19-30
%D 2011
%I International Journal of Computer Applications

Most existing network intrusion detection systems use signature-based methods which depend on labeled training data. This training data is usually expensive to produce due to cost of laboratory set up, experienced or knowledge person and non availability of ready software tool. Above all, these methods have difficulty in detecting new or unknown types of attacks. Using unsupervised anomaly detection techniques, however, the system is capable of detecting previously unknown attacks without labeled training data. In this paper, we have discussed anomaly based network intrusion detection and proposed two unsupervised clustering algorithms for anomaly detection. The algorithms are evaluated with our generated real life intrusion dataset. The dataset is created with extracted features of captured network packet as well as flow traffic. The algorithm is also tested and validated with standard KDD Cup 1999 dataset and NSL-KDD dataset. The results are compared with results of similar algorithms and have been found excellent.

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Index Terms

Computer Science
Information Sciences


Intrusion Unsupervised Supervised Anomaly Clustering TPR FPR Supervised Anomaly Clustering TPR FPR