The FBI seal is attached to a podium prior to Director Christopher Wray speaking at a news conference at FBI Headquarters, on June 14, 2018 in Washington, D.C. (Photo by Mark Wilson/Getty Images) WASHINGTON - Top national security agencies in a rare joint statement Tuesday confirmed that Russia was likely responsible for a massive hack of U.S.
government departments and corporations, rejecting President Donald Trump's claim that China might be to blame.The statement represented the U.S.
government's first formal attempt to assign responsibility for the breaches at multiple agencies and to assign a possible motive for the operation.