Dissecting Ragnar Locker: The Case Of EDP

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Introduction On April 13th 2020, news broke out in Portuguese media [1] that Energias de Portugal (EDP), the Portuguese multinational energy giant and one of the largest European operators in the energy & wind sectors, had been hit by a highly targeted ransomware attack (later identified as Ragnar Locker [2]), amid COVID-19 pandemic, while the […]