A defense strategy generation method and system for industrial control systems

An industrial control system and strategy technology, applied in transmission systems, data processing applications, instruments, etc., can solve the problems of ignoring intrusion response, insufficient policy decision-making, and low working efficiency of response mechanism, and achieve the effect of solving complex evaluation indicators.

Active Publication Date: 2021-12-31
HUNAN UNIV
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Problems solved by technology

[0005] Aiming at the above defects or improvement needs of the prior art, the present invention provides a method and system for generating defense strategies for industrial control systems. The semi-automatic intrusion response system and the static intrusion response system have the technical problems that the response mechanism is not intelligent enough, and the technical problems of the response mechanism are low efficiency and poor applicability, and because the characteristics of the intrusion response as an interactive process between the offensive and the defensive are ignored, and thus Technical issues that lead to less comprehensive policy decisions

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  • A defense strategy generation method and system for industrial control systems
  • A defense strategy generation method and system for industrial control systems
  • A defense strategy generation method and system for industrial control systems

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[0103] In order to make the objects, technical solutions and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are intended to explain the present invention and is not intended to limit the invention. Further, the technical features according to each of the various embodiments described below can be combined with each other as long as they do not constitute a collision between each other.

[0104] DETAILED idea of ​​the present invention, the hybrid data set (1) the characteristics of the information layer and the physical layer convergence industrial control systems of the network, the two-level data generated by unbiased and normalized, and then as offensive and defensive strategy decision defense policy decision premise (2) create a dynamic policy decisions based on the model of interaction of industrial secur...

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Abstract

The invention discloses a method for generating a defense strategy for an industrial control system, comprising: after receiving an attack signal and a corresponding attack behavior data packet, the pre-established risk coefficient is calculated according to the attack object type corresponding to the attack signal Table, physical layer device data table, information layer device data table, physical layer device data table counter and information layer device data table counter are updated to obtain the updated risk factor table, physical layer device data table, and information layer device data table , physical layer device data table counters and information layer device data table counters, and input the updated risk coefficient table into the established decision model to obtain the optimal defense strategy. The invention can solve the technical problem that the existing industrial control intrusion response systems in the existing industrial control field are mostly semi-automatic intrusion response systems and static intrusion response systems, and the response mechanism is not intelligent enough.

Description

Technical field [0001] The present invention is in the field of information security of industrial control systems, and more particularly, to a defense strategy generation method and system for industrial control systems. Background technique [0002] Information system is the concept of the physical collection of all kinds of information and communication technology and embedded microprocessor, which summarizes the characteristics of field devices and industrial processes: close-coupled information layer and the physical layer, highly complex real-time requirements and the system itself, Therefore, in the field of industrial control, information on the physical devices used to refer to all kinds of industrial field of industrial process equipment embodiment. [0003] Industrial control system is a multi-layered system, which includes a service layer, a control layer, the control layer, a combination of a physical layer, between adjacent layers and connected through a dedicated c...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08G06Q10/06
CPCH04L63/1441H04L63/20G06Q10/0635H04L67/125
Inventor 李肯立陈宝鼎杨志邦肖国庆刘楚波
Owner HUNAN UNIV
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