U.S. officials believe group of hackers linked to Russia has upped its activity against energy providers. Group has likely developed the expertise to shut down systems, security company Symantec says. The group has been identified as linked to Russian intelligence services, the FBI and Department of Homeland Security said in December 2016. The most well-known energy-related attacks affected Ukraine in 2015 and 2016, the country saw two attacks that caused blackouts, speculating that those attackers are linked to Moscow.”]
Source: https://www.cuinfosecurity.com/russia-linked-hackers-could-sabotage-us-energy-systems-a-10268