A representative of the US Department of Homeland Security told the Wall Street Journal that Russian hackers had access to US power grids. So deep access, which could virtually virtually push the shutdown button in the control room, “pull out the plug and immerse the Yankees and America in the dark,” writes The Register .
Behind penetration are hacker groups that call themselves Dragonfly and Energetic Bear. According to the publication, the last since 2014 managed to penetrate hundreds of dispatching offices. This they managed to achieve through the staff by phishing and installing malware from infected pages on the Internet.
It is reported that during the attacks, documents with internal information and some drawings were stolen, which give an idea of how US stations and energy systems in general work.