This paper describes the background of smart information infrastructure andthe needs for smart grid information security. It introduces the conceptualanalysis to the methodology with the application of hermeneutic circle andinformation security functional requirement identification. Informationsecurity for the grid market cover matters includes automation andcommunications industry that affects the operation of electric power systemsand the functioning of the utilities that manage them and its awareness of thisinformation infrastructure has become critical to the reliability of the powersystem. Community benefits from of cost savings, flexibility and deploymentalong with the establishment of wireless communications. However, concernrevolves around the security protections for easily accessible devices such asthe smart meter and the related communications hardware. On the other hand, thechanging points between traditional versus smart grid networking trend and theinformation security importance on the communication field reflects thecriticality of grid information security functional requirement identification.The goal of this paper is to identify the functional requirement and relate itssignificance addresses to the consumer requirement of an information securityof a smart grid. Vulnerabilities may bring forth possibility for an attacker topenetrate a network, make headway admission to control software, alter it toload conditions that destabilize the grid in unpredictable ways. Focusing onthe grid information security functional requirement is stepping ahead indeveloping consumer trust and satisfaction toward smart grid completeness.
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