The Smart Grid is based on information exchange between various stakeholders using open communication technologies to control the physical electric grid through the information grid. Protection against cyber attacks is essential to ensure a reliable operation of the Smart Grid. This challenge is addressed by various regulatory, standardization, and research activities. After giving an overview of the security demand of a Smart Grid, existing and appearing standardization activities are described. Moreover, an overview is given about potential roles in Smart Grid environments, which have been analyzed in the context of an EIT ICT Labs questionnaire.
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