Concealed moving target defense strategy generation method and device

A moving target defense and stealth technology, applied in the field of stealth moving target defense strategy generation, can solve problems such as difficulty in reducing the risk of system being attacked, and achieve the effect of improving stealth.

Active Publication Date: 2022-03-01
GUANGDONG POWER GRID CO LTD +1
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  • Application Information

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Problems solved by technology

[0005] The invention provides a method and device for generating a concealed mobile target defense strategy to solve the te

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  • Concealed moving target defense strategy generation method and device
  • Concealed moving target defense strategy generation method and device
  • Concealed moving target defense strategy generation method and device

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0050] In the description of the present application, it should be understood that the terms "first" and "second" are used for description purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified,...

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Abstract

The invention discloses a hidden moving target defense strategy generation method and device, and the method comprises the steps: collecting system data, and carrying out the load flow calculation according to the system data, and obtaining the current operation state of a system; according to the installation data of the D-FACTS equipment, selecting a system line on which the equipment is installed; judging whether the equipment meets a condition for generating a hidden moving target defense strategy or not, and if so, taking the equipment as a premise for generating the hidden moving target defense strategy; on the premise of ensuring that the power flow of the system is kept unchanged, randomly changing the node state of the system according to the use scheme of the equipment to obtain a random system state, and calculating the susceptance action quantity of a system transmission line; and generating a hidden moving target defense strategy according to the random system state and the susceptance action amount. According to the method, the hidden moving target defense strategy executed by the system is hidden for attackers, so that the concealment of the system can be effectively improved, and the risk that the system is attacked can be reduced.

Description

technical field [0001] The invention relates to the technical field of power grid attack detection, in particular to a method and device for generating a concealed mobile target defense strategy. Background technique [0002] Since False Data Injection Attack (FDIK) against power systems was proposed, scholars have done a lot of research in this field, and in recent years, information attacks against industrial control systems represented by power grids have occurred frequently. How to meet the requirements of the system to deal with information attacks on the premise of ensuring the normal operation of the industrial control system is one of the hot issues in the field of industrial control system research. [0003] Aiming at the common problem of current network security - easy to attack and difficult to defend, the "game-changing" technology proposed by the United States to achieve proactive network defense, among which Moving Target Defense (MTD) provides a new idea, its...

Claims

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Application Information

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IPC IPC(8): H04L9/40
CPCH04L63/1466H04L63/20Y04S40/20
Inventor 黄浩余志文吴勤勤耶冰儿
Owner GUANGDONG POWER GRID CO LTD
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