Russian Hackers Linked to Breaches at U.S. Nuclear and Power Plants -- The Daily Beast

A series of sophisticated computer intrusions at electric companies and nuclear plant operators this year has been traced back to a hacking group called "Dragonfly" and "Energetic Bear" that's been previously linked to Russia, according to a new report from the computer security company Symantec, which has seen about 100 such breaches since the start of the year, half of them in the U.S. ...
http://www.thedailybeast.com/breaches-at-us-nuclear-and-power-plants-linked-to-russian-hackers