计算机科学 ›› 2018, Vol. 45 ›› Issue (1): 245-248.doi: 10.11896/j.issn.1002-137X.2018.01.043
唐赞玉,刘宏
TANG Zan-yu and LIU Hong
摘要： 针对传统的网络安全态势评估方法一直存在评估偏差较大的问题,为了准确分析网络安全状况,提出一种新的多阶段大规模网络攻击下的网络安全态势评估方法。首先根据多阶段大规模网络攻击下的网络安全多数据源的特点,建立基于信息融合的多阶段大规模网络攻击下的网络安全态势评估模型；然后对大规模网络攻击阶段进行识别,计算网络攻击成功的概率和网络攻击阶段的实现概率；最后利用CVSS中的3个评价指标对网络安全态势进行评估。实例分析证明,所提方法更加符合实际应用,评估结果准确且有效。
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