Here is how to help fight against zero-click spyware. "Online ads weaponised to deliver zero-click spyware, researchers say"
(lemmy.world)
Even under fascism it doesnt make sense to risk zero days on non-high value targets. The fascist way to do that is to simply enforce all devices to have a public and obvious backdoor. Anyone without the backdoor is a criminal.
Zero days are for being sneaky, and are very expensive. Under fascism you don't need to be sneaky, and you need cheap.