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Research on Network System Risk Assessment Using Risk Transmission

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1 Author(s)
Lu Jiayuan ; Coll. of Inf. Sci., Nanjing Aduit Univ. Nanjing, Nanjing, China

In real network environment, risks arised in some links can lead to changes in the others correlative risk domain, which reduces the network security perfomance finally.Therefore,evaluting the risk transmission effect on network security has an important real significance.In view of this,the conceptions about risk transmission are introduced firstly;Secondly,two kinds of model about network risk transmission are discussed,and the corresponding formulas about risk transmission are given out;Lastly,the transmission characters of risk event are analysed by using an instance,and the fuzzy-evaluation factors about risk grade and the success rate of risk transmission are proposed,a quantitative evaluation using the risk transmission model is given out. Corresponding results show that the method can be easily used in the risk assessment of the network system,and the results are in accord with the reality.

Published in:

Internet Technology and Applications, 2010 International Conference on

Date of Conference:

20-22 Aug. 2010