A method and system for evaluating online security situation of electric power industrial control terminal
A security assessment and industrial control terminal technology, applied in the transmission system, electrical components, etc., can solve the problems of terminal security situation awareness, lack of terminal situation awareness, lack of terminal security situation awareness mechanism, etc., to improve security protection capabilities and ensure safe operation , the effect of improving work efficiency
Active Publication Date: 2021-03-16
WUHAN UNIV
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[0004] At present, although many studies have proposed some detection and identification schemes for the intrusion behavior of the power industrial control network, none of them has a comprehensive awareness of the terminal security situation. The security protection work in the field mainly focuses on the monitoring of network security incidents at the platform layer, and lacks an effective security situation awareness mechanism for terminals.
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[0025] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.
[0026] please see figure 1 , a method for evaluating the online security situation of a power industrial control terminal provided by the present invention, comprising the following steps:
[0027] Step 1: Extract terminal monitoring indicators according to the monitoring indicator system, including operating status monitoring indicators, business flow monitoring indicators, and abnormal behavior monitoring indicators; operating status monitoring indicators are used to represent the terminal's software and hardware operating status and network communication s...
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The invention provides an online security situation evaluation method and system for an electric power industrial control terminal. The method comprises the steps of: building a monitoring index system which comprises an operation state index, a business flow index and an abnormal behavior index in three aspects, namely, the operation state of a terminal, the business flow and the abnormal behavior; then respectively carrying out corresponding safety analysis on the three indexes to obtain corresponding evaluation indexes; and finally, according to the obtained evaluation indexes, obtaining aterminal online security evaluation result according to a comprehensive security situation evaluation method combining an AHP-entropy weight method and a grey correlation analysis method. According tothe invention, the security situation of the electric power industrial control terminal can be effectively and comprehensively perceived, the overall security protection capability of the system is improved, the working efficiency of operation and maintenance personnel can be improved, and the deficiency of security protection at the terminal level is made up.
Description
technical field [0001] The invention belongs to the technical field of electric power industrial control terminal security, and in particular relates to a method and system for evaluating the online security situation of electric power industrial control terminals based on a terminal monitoring index system. Background technique [0002] At present, the security protection work in the field of electric power industrial control mainly focuses on the monitoring of network security events at the platform layer, and lacks an effective security situation awareness mechanism for terminals. The business terminals and sensing terminals of the power industrial control system have the characteristics of wide distribution, large number, and limited computing resources, and have gradually become the weak point of the power industrial control network security protection. After the attacker illegally controls the terminal, he can illegally obtain and tamper with relevant data and perform ...
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IPC IPC(8): H04L29/06
CPCH04L63/1416H04L63/1425
Inventor 夏宇李俊娥林海王宇罗嫚玲
Owner WUHAN UNIV