Netinfo Security ›› 2018, Vol. 18 ›› Issue (8): 73-78.doi: 10.3969/j.issn.1671-1122.2018.08.010

• Orginal Article • Previous Articles     Next Articles

Non-negative Matrix Factorization Optimization and Its Application in Network Intrusion Detection

Gelin ZHANG1, Yong LI1,2()   

  1. 1. School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China
    2. Guangxi Key Laboratory of Cryptography and Information Security, Guilin Guangxi 541004, China
  • Received:2017-12-10 Online:2018-08-20 Published:2020-05-11

Abstract:

Due to the non-negative matrix factorization (NMF) can effectively reduce the high-dimensional data to the low-dimension by decomposition, the initialization problem of non-negative matrix factorization algorithm was optimized by combining principal component analysis algorithm, and then it was applied to intrusion detection. For the problem of how to determine the number of reserved bases K and NMF matrix initialization, the application of the improved NMF algorithm in the field of network intrusion is studied. In order to achieve qualitative analysis, we reduce KDD dataset records from high-dimensional space to low-dimensional space, and then display data features in low-dimensional space. To achieve quantitative analysis, the data is classified by SVM and processed into test reports to verify that the optimized NMF algorithm is better than the original algorithm in detection rate and efficiency.

Key words: network security, intrusion detection, non-negative matrix factorization, SVM

CLC Number: