Whomever hacked it will wait until she is either nominated or elected. The strategy will be to ruin her. They will either ruin her publicly or blackmail the bejezuz out of her.
The tell will be that she will look even more beat and sleepness.
And that is assuming that only one group/entity/country has hacked her. Imagine multiple parties with all the emails. Frankly, ruining her publicly will make for a entertaining election year.