论文部分内容阅读
对安全防范系统(SPS)而言,弱点评估是系统效能评估的重要组成部分。现有的弱点评估算法普遍使用的入侵序列图(ASD)模型,在准确性、可靠性和直观性上存在一定的缺陷。对现有的弱点评估算法进行改进。提出用二维地图替代入侵序列图进行系统建模;引入广义的启发式搜索算法,以满足动态效能评估的实时性要求;添加防护元件的灵敏度分析模块,使系统在进行定期维护与升级时能获得最高的成本—效益。提出的算法已经通过编程实现,并用得到的VVA-SPS(Visualized Effectiveness Assessment of Security and Protection Systems)程序针对不同防护对象进行了算法的有效性验证。
For security systems (SPSs), vulnerability assessment is an important part of a system’s effectiveness assessment. The commonly used intrusion sequence diagram (ASD) model of the existing vulnerability assessment algorithms has certain defects in accuracy, reliability and visualization. Improve the existing vulnerability assessment algorithm. A two-dimensional map instead of intrusion sequence chart is proposed to carry on the system modeling; the generalized heuristic search algorithm is introduced to meet the real-time requirement of dynamic performance evaluation; the sensitivity analysis module of the protection element is added to enable the system to perform regular maintenance and upgrade Get the highest cost-effectiveness. The proposed algorithm has been programmed to verify the effectiveness of the algorithm against different objects of protection using the resulting VVA-SPS (Visualized Effectiveness Assessment of Security and Protection Systems) program.