Last month, Russia's Sandworm advanced persistent threat (APT) group was blamed for a devastating cyberattack against Poland's electrical grid This article explores devastating cyberattack poland. . Poland's energy grid was the target of a wiper attack last month, which Minister of Energy Miłosz Motyka described as one of the strongest the nation had seen in years.

Two combined heat and power plants and "a system enabling the management of electricity generated from renewables (RES), i.e., renewable energy sources such as wind turbines and photovoltaic farms," according to a statement on Prime Minister Donald Tusk's website, were the targets of attacks on December 29 and 30. The attack was unsuccessful, according to the announcement, and "there was no blackout or other negative consequences." Sandworm was not mentioned by Tusk in the January.

Dark Reading has contacted ESET researchers to request more information about the DynoWiper malware, which appears to be new.