层次化网络威胁态势量化评估网络安全的方法研究

Hierarchical Network Threat of Network Security Situation Quantitative Evaluation Method

做为关键管理手段之一,安全评估贯穿于信息系统生命周期始终,其占据着安全策略制定及调整的基础性地位。采取有效的安全防范策略的重要前提是对系统中所存在的安全风险进行充分识别。本文首先介绍了研究层次化网络威胁态势量化评估网络安全方法相关工作,在此基础上,从层次化网络安全威胁评估模型、安全威胁指数定量计算、参数确定等方面阐述了从上到下、从局部入手扩展至全局的网络安全威胁态势评估体系。

As one of the key management, safety assessment information system throughout the life cycle, the occupying the safety always strategy formulation and the adjustment of the basic position. Take effective security strategy is an important prerequisite for system the existence of the safety risk. Full recognition This paper first introduced the research situation of hierarchical network threat quantitative evaluation method of network security related work, on this basis, from hierarchical network security threat assessment model, security threats index quantitative calculation, the parameters that define the paper expounds the from top to bottom, from local to global expansion of the network security threats situation assessment system.