Defense strategy generation method and system for industrial control system

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

Active Publication Date: 2021-07-16
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

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  • Defense strategy generation method and system for industrial control system
  • Defense strategy generation method and system for industrial control system
  • Defense strategy generation method and system for industrial control system

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Embodiment Construction

[0103] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0104] The specific ideas of the present invention are: (1) In view of the characteristics of the integration of the information layer and the physical layer of the industrial control system network, the mixed data set generated by the two-level data is unbiased and normalized, and then used as an offensive and defensive strategy decision (2) Establish a dynamic policy decision-making model base...

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Abstract

The invention discloses a defense strategy generation method for an industrial control system, and the method comprises the steps: receiving an attack signal and a corresponding attack behavior data packet; updating a risk coefficient table, a physical layer equipment data table, an information layer equipment data table, a physical layer equipment data table counter and an information layer equipment data table counter which are established in advance according to the attack object type corresponding to the attack signal; and obtaining the updated risk coefficient table, a physical layer equipment data table, an information layer equipment data table, a physical layer equipment data table counter and an information layer equipment data table counter, and inputting the updated risk coefficient table into the established decision model to obtain an optimal defense strategy. According to the invention, the technical problem that the existing industrial control intrusion response system in the existing industrial control field is mostly a semi-automatic intrusion response system and a static intrusion response system and the response mechanism is not intelligent enough can be solved.

Description

technical field [0001] The invention belongs to the field of information security of industrial control systems, and more particularly relates to a method and system for generating defense strategies for industrial control systems. Background technique [0002] Cyber-physical system is the concept of a collection of information communication technology and various embedded microprocessors, which summarizes the characteristics of field equipment and industrial processes: close coupling between the information layer and the physical layer, high real-time requirements, and high complexity of the system itself. Therefore, in the field of industrial control, cyber-physical equipment is often used to refer to various industrial process implementation equipment on the industrial site. [0003] The industrial control system is a multi-layered system, which consists of a business layer, a monitoring layer, a control layer, and a physical layer. , Firewall and other data packet filte...

Claims

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Application Information

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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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