Researchers from cybersecurity firms Dragos and ESET this week sounded the alarm on what they described as the first ever malware designed specifically to attack the electric grid at scale. A threat group calling itself ELECTRUM used the malware – dubbed CrashOverride and Industroyer by the two vendors respectively – in an attack against Ukraine’s power grid in December 2016 that resulted in parts of Kiev losing power for about an hour.

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