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This paper reports on the results of an interview study that surveyed current practices regarding information security incident management in small and large distribution system operators (DSOs) in the Norwegian electric power industry. The findings indicate that current risk perception and preparedness are low, especially among small electricity distribution system operators. Further, small distribution system operators rely heavily on their suppliers should incidents occur. At the same time, small distribution system operators are confident that they can handle the worst-case scenarios. This paper documents current perceptions and discusses the extent to which they are likely to hold given the transition towards smart electric grids. Several recommendations are provided based on the findings and the accompanying discussion. In particular, small distribution system operators should strengthen the collaboration with …