| 基于PRA的网络安全风险评估模型 |
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| 引用本文： | 王英梅,刘增良. 基于PRA的网络安全风险评估模型[J]. 计算机工程, 2006, 32(1): 40-42 |
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| 作者姓名： | 王英梅 刘增良 |
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| 作者单位： | 北京科技大学信息工程学院信息安全实验室,北京,100083;国防大学信息安全实验室,北京,100011 |
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| 摘 要： | 概率风险分析被广泛应用于社会各领域，如交通、能源、化工处理、航天、军事等。文章采用概率风险分析的方法，对网络的逻辑构成、网络攻击和攻击结果进行分析，通过故障树描述了网络系统被攻击的原因与途径，并建立了风险评估模型。
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| 关 键 词： | 概率风险分析 网络安全 风险评估 漏洞 威胁 |
| 文章编号： | 1000-3428（2006）01-0040-03 |
| 收稿时间： | 2005-01-07 |
| 修稿时间： | 2005-01-07 |
A Risk Assessment Model for Network Security Based on PRA |
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| WANG Yingmei,LIU Zengliang. A Risk Assessment Model for Network Security Based on PRA[J]. Computer Engineering, 2006, 32(1): 40-42 |
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| Authors: | WANG Yingmei LIU Zengliang |
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| Affiliation: | 1. Lab of Information Security, College of Information Engineering, Beijing University of Science and Technology, Beijing 100083; 2. Information Security Laboratory of National Defense Academy, Beijing 100011 |
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| Abstract: | Probabilistic risk analysis(PRA) is currently being widely applied to many sectors,including transport,energy,chemical processing,aerospace,and military.A method of PRA is used to analyze the fundamental reasons why network systems are vulnerable to attacks.After making a study on network composition and different types of system vulnerabilities,a model of information security risk assessment is proposed. |
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| Keywords: | Probabilistic risk analysis(PRA) Network security Risk assessment Vulnerability Threat |
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