U.S. investigators have found evidence to confirm what is believed to be the first-of-its-kind cyberattack on a power grid that caused a blackout for hundreds of thousands of people in Ukraine in December.
CNN: U.S. investigators find proof of cyberattack on Ukraine power grid
U.S. investigators from the FBI and Homeland Security have been trying to determine who was behind the attack on a Ukrainian power grid in late December that knocked out power for thousands of people. File photo by AFP.
