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Hu Yan1 ,Dong Mingchui2 ,H an Yingduo1 1.Tsinghua U niversity,Beijing10 0 0 84 ,China 2 .Institute of System s and Computer Engineering,Macau,China  
With wide application of information and network technologies to electric power industry,inform ation system s have inevitably become open,interconnected and standardized.This greatly increases the dependency of electric power systems on information system s. Thus,m ore and m ore concerns are focused on information security issues in electric power industry. The paper firstly introduces the developm ents of inform ation system s for electric power industry,and then discusses the concepts and features.From viewpoints of the present computer system,information network,operation system and people's security consciousness,the paper analyzes the status of security risk and research of inform ation security for electric power industry and presents main research topics for the future.
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