Abstract
It is more and more important to strengthen the security management of power information network. In order to solve the information security(IS) problem of smart power grid, this paper introduces the relevant theories of smart power grid and the knowledge of smart power grid IS in detail, and deeply understands and analyzes the security threats of smart power grid IS. Based on the research of active defense technology and passive defense technology, a passive defense system is proposed. The system consists of active defense system combined with passive defense system, the passive defense system based on the level of protection from the boundary, application and data protection, active defense system main consideration from the security technology, security management and so on three dimensions, the passive defense system, the combination of fully guarantee the IS of the smart grid.
Published Version
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