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A Network Risk Assessment Model Based on Network Global Privilege Graph
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ZHANG Baowen1,LUO Zheng2,XUE Zhi1,YIN Ying1
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（1. School of Information Security, Shanghai Jiaotong University, Shanghai 200240, China;
2. Third Institute of the Ministry of Public Security of China, Shanghai 201204, China）
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Abstract A concept of global network privilege graph and its generation method were proposed. Then a novel network risk assessment model based on privilege graph was proposed. The algorithm and model were verified using a demonstrative network. The results show that the assessment achieved by the model is more exact than common methods because the model considers the quantitative data of vulnerabilities and other security configuration information.
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Received: 02 November 2009
Published: 28 September 2010
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