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A method for quantifying the degree of cyber attack damage to power systems

A technology of network attack and damage degree, applied in the field of power information physical system, can solve the problem of difficult to intuitively grasp the potential consequences of network attacks, and achieve the effect of good effect, scientific and reasonable method, and strong applicability

Active Publication Date: 2022-05-03
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for quantifying the degree of network attack damage to power systems, which can solve the problem in the prior art that only analyzes the damage degree of network attacks to power systems for a single attack target, and it is difficult to intuitively grasp the potential consequences of network attacks

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  • A method for quantifying the degree of cyber attack damage to power systems
  • A method for quantifying the degree of cyber attack damage to power systems
  • A method for quantifying the degree of cyber attack damage to power systems

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Embodiment Construction

[0048] Embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings.

[0049] Embodiments of the present disclosure are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The present disclosure can also be implemented or applied through different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, a...

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Abstract

The present invention provides a method for quantifying the damage degree of network attacks oriented to electric power systems. Based on the attack propagation probability characterization method of community structure, a quantitative model of network attack damage degrees is constructed; the dynamic evolution process of network attacks is represented by the propagation of network attacks, and the power system is constructed. Penetration depends on the attack graph to determine the attack path set; design a damage degree quantification model based on the attack path, determine the attack strategy set by constructing the network attack graph of the power system, design the objective functions of the information layer and the physical layer respectively, and use the attack strategy as a conditional constraint Construct a quantitative model of the degree of damage; find the optimal strategy from the attack strategy set, use the cross-recombination operator to enhance the cooperation efficiency between antibodies and improve the artificial immune algorithm to solve the model. The invention realizes accurate characterization of network attack propagation probability by situation and multiple angles, realizes numerical representation of potential consequences of network attack, and is beneficial to accurately grasping the security state of the power system.

Description

technical field [0001] The invention relates to the field of electric power cyber-physical systems, in particular to a method for quantifying the damage degree of network attacks oriented to electric power systems. Background technique [0002] The interdependence between the power information network and the physical network is getting closer, and the scope of cyber attacks is no longer limited to the internal propagation of the information network, and may even be transmitted to the physical network through the high coupling of the cyber-physical system, threatening the safe operation of the power system. Experts and scholars in the power industry have analyzed and summarized the causes of power accidents over the years, and found that there are vulnerable links in the information network of the power system, and combined attacks targeting vulnerable links are the cause of blackouts. [0003] Therefore, how to effectively quantify the degree of damage that can be caused is...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L67/12G06Q50/06
CPCH04L63/1408H04L63/1416H04L67/12G06Q50/06
Inventor 余通凌颖黎新陈文迪陆力瑜宾冬梅谢铭杨春燕
Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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