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Network Security Evaluation Algorithm Based on Access Level Vectors

机译:基于访问级别向量的网络安全评估算法

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The attack graph, a typical model-based method, is widely used in the field of network security evaluation. The biggest disadvantage of attack graph method is its exponential growth of the state space. This paper presents an efficient algorithm based on the malefactor's access level vector in every host of the network to generate a reduced attack graph in polynomial compute complexity. In this algorithm, the state space is reduced to O(nm) , where n is the number of nodes and m is the whole number of vulnerabilities in the network. We also present a standard method to generate attack templates from the vulnerabilities.
机译:攻击图是一种典型的基于模型的方法,已广泛应用于网络安全评估领域。攻击图方法的最大缺点是其状态空间的指数增长。本文提出了一种有效的算法,该算法基于网络中每个主机中malemale的访问级别向量,以生成多项式计算复杂度降低的攻击图。在该算法中,状态空间减小为O(nm),其中n是节点数,m是网络中漏洞的总数。我们还提出了一种从漏洞中生成攻击模板的标准方法。

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