[mbesto]

I could be wrong, but "Hacking an election" is not by definition illegal per say. However, accessing a computer illegally or defrauding people with the intention to meddle in an election is indeed illegal.

If <insert country here> had an election and the US-CIA had hackers put malicious code in their voting machines, and that country had laws against tampering with voting machines, then I would fully expect that country to indict those involved. Obviously in a geopolitical environment, that usually means through sanctions or some other means.