Power network security protection diagnosis system and method based on fuzzy theory

Abstract

The invention provides ac power network safety protection diagnosis system and method based on a fuzzy theory. The system classifies equipment related to an electric power monitoring system network, and mainly comprises a firewall, longitudinal encryption, transverse isolation, a router, a switch and the like. The method comprises the following steps: firstly, obtaining an equipment configurationstrategy through on-site reading and a network connection reading mode, scoring the correctness of the corresponding equipment configuration strategy according to definition, and calculating the scoreof the corresponding equipment; and then, according to the equipment score and the defined security influence weight, calculating the equipment score again; AND finally, calculating the safety protection level score of the power monitoring system network by taking the scores of the various devices as lower-layer factors. The system can provide analysis of a plurality of time sections, and is convenient for users to compare trends. The formed score is also convenient for the user to visually feel the overall state and weak link of the security and protection of the power monitoring system.

Description

technical field [0001] The invention belongs to the technical field of electric power network, and in particular relates to a power network safety protection diagnosis system and method based on fuzzy theory. Background technique [0002] At present, my country's power sector has basically formed a network-in-depth protection system for power monitoring systems with border protection as the key point and multiple lines of defense. As the network equipment of the power monitoring system carries out business, faces threats, and keeps changing maintenance and management requirements, in order to ensure the firmness and effectiveness of the network system of the power monitoring system, China Southern Power Grid Corporation needs to conduct regular internal and external evaluations of the network security of the power monitoring system of various companies Work. With the continuous deterioration of the information network security situation at home and abroad, the network secur...

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Problems solved by technology

[0003] The network security protection work has not yet formed a systematic quantitative analysis method, and management and professionals cannot quickly understand the differences and changes in the security level of the network equipment of the power monitoring system, which brings inconvenience to the decision-making work of security defect disposal; at the same time, the power monitoring system There are various types of network devices, various policy configuration commands, network partitions, and management machine software that is difficult to be compatible with equipment from various manufacturers. As a result, the collection and analysis of equipment security protection strategies have long been done manually, and the lack of effective centralized and rapid management methods also affects The efficiency of security protection work

The construction, reconstruction and expansion of various power monitoring systems have brought certain hidden dangers to the safety protection of the power monitoring system. The internal and external information network security evaluation work is also in progress. The common problems of lack of tools and low analysis efficiency are relatively common. obvious

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