The FBI is investigating, as you said, attempts to hack into the email accounts of officials on both campaigns, including three Biden-Harris staffers and one Trump campaign official. And there's no indication that the attempts against the Harris campaign were successful.
So it does look like the hack of the Trump campaign was at least somewhat successful. Now, the FBI isn't saying this was Iran, but Microsoft's intelligence unit said Friday that an Iranian government-linked group tried to hack into an unnamed president.
[
Collection
]
[
|
...
]