Poland says it repelled major cyberattack on power grid, blames Russia Poland narrowly avoided a large-scale power outage by thwarting what officials described as the most serious cyberattack on its energy infrastructure in years, the government said this week. The attempted disruption occurred in the final days of December, when hackers targeted communications between renewable energy installations — including solar farms and wind turbines — and electricity distribution operators across large parts of the country, according to Energy Minister Miłosz Motyka. Digital Affairs Minister Krzysztof Gawkowski said Tuesday the incident came “very close to a blackout” and bore the hallmarks of a coordinated sabotage campaign. “The scale of this attack, the vector of entry, and who was behind it…