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Nowadays, with the rapid development of science and technology, network information technology is widely applied to various enterprise departments. In order to meet the increasing social needs, power companies have also built power network information systems. The establishment of the network information system has been put into use, which has greatly improved the efficiency of the power enterprise. However, the security risks of network information systems have followed. Once the network isdoi:10.1051/matecconf/201824603017 fatcat:r6hcqutfzrgpbpmxjihjnvcxji