基于粗糙集的信息安全系统评估指标优化

Optimization of index system for information security systems performance assessment based on rough set theory

信息安全系统效能评估指标体系的建立,是实现信息安全系统效能评估的前提。首先通过德尔菲法获取初始评估指标集;其次根据指标统计数据,运用粗糙集理论的知识约简方法,得到初始指标集的核集,即可剔除冗余指标,从而得到优化的评估指标体系;最后对其进行稳定性分析,验证了指标体系的科学合理性。

The establishment of performance evaluation index system of information security is a prerequisite to achieve information security system performance assessment. First it obtains an initial evaluation indicator by the Delphi method index set; secondly, according to the statistics indicators, the use of knowledge reduction of rough set theory obtains the core set of the initial indicators set, to eliminate redundant indicators resulting in an optimized evaluation index system; finally its stability analysis verifies the scientific rationality index system.