Security is never something we actually want. Security is something we need in order to avoid what we don’t want. It’s also more abstract, concerned with hypothetical future possibilities. Of course it’s lower on the priorities list than fundraising and press coverage. They’re more tangible, and they’re more immediate.~ Bruce Schneier from, https://www.schneier.com/blog/archives/2018/05/the_us_is_unpre.html
I think the only thing “protecting” us from someone successfully hacking an election, is the sheer number of polling places. You’ve voted, right? Sure, it’s a busy spot with maybe a dozen machines and hundreds of poeple… but there are thousands and thousands of polling places, and the voting machines are not networked. Yet.
Don’t misunderstand: This is security through obscrurity, is not actually security at all, and is a recipe for disaster.