浙江电力

2020, v.39;No.296(12) 122-128

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基于改进ADT的综合能源系统信息安全风险分析
Information Security Risk Analysis of Integrated Energy System Based on Improved ADT

李朝阳,彭道刚,吕政权,张涵,王丹豪
LI Zhaoyang,PENG Daogang,LYU Zhenquan,ZHANG Han,WANG Danhao

摘要(Abstract):

在电力系统向综合能源转型与网络攻击技术演进的双重影响下,电力信息安全和防护形势日益严峻。归纳面向电网的攻防分布体系,提出了一种基于决策实验室分析法和攻击防御树模型的综合能源系统信息安全风险分析方法。该方法根据决策实验室分析法确定更适用于综合能源的叶节点安全多属性权重,结合现有攻防对抗策略与CVSS(通用漏洞评分体系),计算攻防树模型中攻击序列风险程度与灵敏度指标。通过城市光-储-充-换一体化智能电站进行信息安全威胁实例分析,结果表明,该方法威胁因素赋权科学,能自由添加删除攻击行为,凸显一定的可拓展性,安全属性等级评价客观。
Under the dual influences of the transformation of power system to integrated energy and the evolution of cyberattack technology, electric power information security and protection is faced with a severe situation. The paper summarizes the distribution system of attack and defense for power grid and proposes an information security risk analysis method for an integrated energy system based on decision-making trial and evaluation laboratory(DEMATEL) and attack defense tree(ADT) model. According to the DEMATEL, the security multi-attribute weight of leaf node more suitable for integrated energy is determined, and the vulnerability of attack sequence and the sensitivity index of leaf node in the ADT model are calculated by combined existing attack defense strategy and CVSS(common vulnerability scoring system). This paper analyzes the information security threat of the intelligent integrated solar-storage-charging-swamping station, and the result shows that the method, featuring scientific weight determination, can freely add or delete attacks, show expansibility and objectively evaluate security attribute level.

关键词(KeyWords): 综合能源系统;攻击防御树;决策实验室分析法;信息安全
integrated energy system;ADT;DEMATEL;information security

Abstract:

Keywords:

基金项目(Foundation): 上海市“科技创新行动计划”高新技术领域项目(185111105700);; 国网上海市电力公司科技项目(52097019001N)

作者(Author): 李朝阳,彭道刚,吕政权,张涵,王丹豪
LI Zhaoyang,PENG Daogang,LYU Zhenquan,ZHANG Han,WANG Danhao

DOI: 10.19585/j.zjdl.202012018

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