“A new federal effort aims to help energy companies protect themselves from hackers trying to shut down the power grid. It’s not exactly a far-off threat. Last year, a Ukrainian utility company suspected cyber intruders caused a major power outage; the year before that, a U.S. cyber firm concluded a Russian hacking group called Sandworm was responsible for another blackout at another Ukrainian power company.”
Source: NIST Wants To Know How Utility Companies Can Deter Hackers – Nextgov.com