It just happened a couple days ago and they know who did it already? Did Putin sign the Malware with love from Russia?
Putin tested his malware out on the Ukraine first, in 2015:
""""Russia has been accused in the past of launching a cyberattack on Ukraine’s electrical grid, something it has denied.
Cybersecurity experts say a hack in December 2015 destabilized Kiev’s power grid, causing a blackout in part of the Ukrainian capital. On Thursday, Ukranian President Petro Poroshenko accused Russia of waging a hacking war on his country that has entailed 6,500 attacks against Ukranian state institutions over the past two months."""