计算机科学 ›› 2014, Vol. 41 ›› Issue (7): 194-199.doi: 10.11896/j.issn.1002-137X.2014.07.041
卢志刚,刘俊荣,刘宝旭
LU Zhi-gang,LIU Jun-rong and LIU Bao-xu
摘要： 针对复杂信息系统复杂程度高、互影响性与互依赖性强,现有风险评估方法难以适应大规模网络安全风险评估与应用实践的需要的问题,研究了基于GTST-MLD的适合复杂信息系统的风险要素分析方法和整体风险评估方法,包括研究事故互依赖关系模型,进行风险要素建模以及风险传导分析,以提高针对复杂信息系统的风险评估能力和分析水平。结果证明,模型对复杂信息系统安全特性的目标、功能、结构、行为等因素予以综合,实现在更高的系统功能层面上对系统安全性的分析研究,为复杂信息系统的量化风险评估提供了可靠的量化分析手段。
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