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PLC interconnection identity authentication system based on industrial control system

An industrial control system and identity authentication technology, which is applied in the field of industrial control system communication security, can solve problems such as PLC malicious code implantation, malicious manipulation, and reconnaissance breaking the ring, so as to improve security and confidentiality performance, protect sensitive resources, and improve information. The effect of security capabilities

Inactive Publication Date: 2020-09-04
李黎莎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Aiming at the deficiencies of the prior art, the present invention provides a PLC interconnected identity authentication system based on an industrial control system to solve the problem that an intruder accesses the PLC as an operator station or an engineer station, which will cause malicious code implantation, malicious Technical issues of high-risk persistent threats such as manipulation and reconnaissance sabotage

Method used

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] A PLC interconnected identity authentication system based on an industrial control system, including: a programmable logic controller PLC connected to the industrial control system, an authentication server S running identity authentication system software CA , the PC terminal U running the identity authentication system software and deployed in the industrial control system i ;

[0032] PC terminal U i Through the network communication device on the identity authent...

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Abstract

The invention relates to the technical field of industrial control system communication security, and further discloses a PLC interconnection identity authentication system based on an industrial control system. The system comprises a programmable logic controller (PLC) connected into an industrial control system, an authentication server SCA running identity authentication system software, a PC terminal Ui running identity authentication system software and deployed in the industrial control system; and the identity authentication system on the authentication server SCA performs security authentication on the identity of the PC terminal Ui, and only when the identity of the PC terminal Ui passes the security authentication of the identity authentication system, the PC terminal Ui is allowed to access the PLC. The technical problem that when an intruder accesses the PLC with the identity of an operator station or an engineer station, high-risk persistent threats such as malicious codeimplantation, malicious control and reconnaissance type damage are caused to the PLC is solved.

Description

technical field [0001] The invention relates to the technical field of industrial control system communication security, in particular to a PLC interconnected identity authentication system based on an industrial control system. Background technique [0002] Industrial control system (ICS) refers to an automatic control system composed of a series of computers and industrial process control components for real-time monitoring, referred to as industrial control system, which can be mainly divided into data acquisition and monitoring control systems, distributed control systems, etc. This type of control system is the "central nerve" of critical infrastructure, and the programmable logic controller (PLC) is the core of ICS, and its security is directly related to the normal operation of ICS. [0003] With the development of industrial control systems in the direction of informatization and intelligence, a large number of industrial control devices have begun to connect to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05
CPCG05B19/058G05B2219/14006
Inventor 李黎莎
Owner 李黎莎
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