U.S. intelligence officials say Iran was behind Trump presidential campaign hack
The joint statement from the FBI and other federal agencies was the first formal attribution of the hack to a foreign entity, though the Trump campaign had previously said Iran was responsible.
https://www.pbs.org/newshour/world/u-s-intelligence-officials-say-iran-was-behind-trump-presidential-campaign-hack
U.S. intelligence officials attribute the hack of Donald Trump's presidential campaign to Iran, citing an attempt to interfere in the election and undermine American democracy.