文档介绍：第 28 卷第 11 期计算机应用研究畅28 畅11
2011 年 11 月 Vol No畅2011
Application Research puters Nov
层次化网络安全威胁态势评估技术研究倡
1 1 2
朱丽娜, 张作昌, 冯力
(, 南宁 530003; , 武汉 430074)
摘要: 为了评估大规模网络系统的安全状态,针对机密性、完整性和可用性,采用层次化分析方法,建立一种
网络安全威胁态势量化评估模型。该模型包括一套分为服务、主机、子网、全网四层的安全威胁态势指标和各项
指标的量化计算方法。实验结果表明,该模型具有较好的可操作性,能够准确、直观地刻画网络系统的安全演化
过程。
关键词: 网络安全威胁态势; 态势评估; 模型; 模型; 唱证据理论
DREAD Markov D S
中图分类号: 309 文献标志码: 文章编号: 1001唱3695(2011)11唱4303唱04
TP A
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doi j issn
Research on work security threat situation assessment
唱 1 , 唱 1 , 2
ZHU Li na ZHANG Zuo chang FENG Li
( Information Management, Guangxi University of Finance Economics, Nanning 530003, China; Digital
& &
Engineering Institute, Wuhan 430074, China)
Abstract: 唱, ,
,In order to estimate the security, situation of large work this paper aimed at confidentiality integrality and唱
availability. adopted hierarchical analysis and put forward a quantitative evaluation model, for, network security threats, situa
tion This model included a suit of security threat. situation posed of service host and whole, network and
quantitative calculation method for each index Experimental results. show the easy operation of this model and it depicts the
safetyKey words evolution: process work system accurately; and intuitively; ; ; 唱
network security