Cyber Risk Analysis of Combined Data Attacks Against Power System State Estimation

被引：73

作者：

Pan, Kaikai ^{[1
]}

Teixeira, Andre ^{[2
]}

Cvetkovic, Milos ^{[1
]}

Palensky, Peter ^{[1
]}

机构：

[1] Delft Univ Technol, Elect Sustainable Energy Dept, NL-2600 Delft, Netherlands

[2] Uppsala Univ, Dept Engn Sci, S-75121 Uppsala, Sweden

来源：

IEEE TRANSACTIONS ON SMART GRID | 2019年 / 10卷 / 03期

关键词：

Combined integrity and availability attack; false data injection; risk analysis; power system state estimation; DATA INJECTION ATTACKS; SECURITY;

D O I：

10.1109/TSG.2018.2817387

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Understanding smart grid cyber attacks is key for developing appropriate protection and recovery measures. Advanced attacks pursue maximized impact at minimized costs and detectability. This paper conducts risk analysis of combined data integrity and availability attacks against the power system state estimation. We compare the combined attacks with pure integrity attacks-false data injection (FDI) attacks. A security index for vulnerability assessment to these two kinds of attacks is proposed and formulated as a mixed integer linear programming problem. We show that such combined attacks can succeed with fewer resources than FDI attacks. The combined attacks with limited knowledge of the system model also expose advantages in keeping stealth against the bad data detection. Finally, the risk of combined attacks to reliable system operation is evaluated using the results from vulnerability assessment and attack impact analysis. The findings in this paper are validated and supported by a detailed case study.

引用

页码：3044 / 3056

页数：13

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