Commack, N.Y.: PSEG/LIPA power lines span the sky in Commack, New York on December 2, 2014. (Photo by J. Conrad Williams, Jr./Newsday RM via Getty Images) AdvertisementA Government Accountability Office report last month found that the U.S.
grid's distribution systems, which transport electricity from transmission systems to consumers, are increasingly at risk. It said hackers can use multiple techniques to gain access, including compromising the supply chain by manipulating software or hardware or exploiting virtual private network connections.The report recommended that the Energy Department, the primary federal agency for the energy sector, do more to address those risks.The U.S. "faces a well-documented and increasing cyber threat from.