Exclusive: A cyberattack targeting Poland's energy infrastructure in December used wiper malware that would have erased grid computers and rendered them inoperable had it not been thwarted, a researcher at @ESET told me. The researcher calls the attack "unprecedented" for Poland and "substantial"

Cyberattack Targeting Poland’s Energy Grid Used a Wiper
A cyberattack that targeted power plants and other energy producers in Poland at the end of December used malware known as a “wiper” that was intended to erase computers and cause a power outage and o...