Method and system for guaranteeing information security of industrial control system
An industrial control system and information security technology, which is applied in the field of information security, can solve problems such as the inability to prevent virus attacks and the inability to prevent system damage, and achieve the effect of solving information security problems
Inactive Publication Date: 2015-05-13
SHENZHEN Y& D ELECTRONICS CO LTD
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Problems solved by technology
[0011] The technical problem to be solved by the present invention is to provide a system and method for ensuring the information security of an industrial control system, so as to solve the problem that the information security protection means adopted in the prior art can only reduce the chance of virus infection but cannot prevent virus attack. and the inability to prevent abnormal commands executed through legitimate protocols from causing damage to the system
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[0037] 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.
[0038] Such as figure 1 As shown, the present invention provides a method for ensuring information security of an industrial control system, comprising the following steps:
[0039] Step A: detecting the input data and output data of the industrial control system, and judging the correctness of the output data of the industrial control system according to the logical relationship between the input data and the output data;
[0040] Step B: detecting the output data of the industrial control system, comparing it with a preset safe value range, and judging the legitimacy of the output data according to the comparison result;
[0041] Step C: detecting the communication protocol of the industrial control system, and establishing a communication proto...
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The invention relates to a method and a system for guaranteeing information security of an industrial control system. The method comprises the following steps: A, detecting input data and output data of the industrial control system and judging the correctness of the output data of the industrial control system according to the logic relation of the input data and the output data; B, detecting the output data of the industrial control system, comparing with a preset safety value range, and judging legality of the output data according to the comparison result; C, detecting a communication protocol of the industrial control system, establishing a communication protocol white list thereby, and judging the normality of a command in the industrial control system thereby; D, reporting the wrong output data, the illegal output data and the abnormal command detected in the three steps. System intrusion and failure caused by the information security can be timely discovered, and the problem of information security of the industrial control system is substantially solved.
Description
technical field [0001] The invention relates to the technical field of information security, in particular to a method and system for ensuring information security of an industrial control system. Background technique [0002] The industrial control system is composed of various automation control components and process control components that collect and monitor real-time data, and is a business process control system that ensures the automatic operation, process control and monitoring of industrial infrastructure. At present, industrial control systems are widely used in my country's electric power, water conservancy, sewage treatment, oil and gas, chemical industry, transportation, pharmaceuticals and large-scale manufacturing industries. The security protection in the industrial control system mainly includes security management, IT security protection technology and industrial firewall. [0003] 1. Safety management: [0004] Deploy a defense-in-depth system to ensure...
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Login to View More IPC IPC(8): G05B19/418
CPCY02P90/02G05B19/4184
Inventor 戚建淮方方赵海阳
Owner SHENZHEN Y& D ELECTRONICS CO LTD