You can jailbreak and get user patches too. >The only way to be safe on Apple's computers (and phones) is to update to the latest version the day it comes out.

You can jailbreak and get user patches too. >The only way to be safe on Apple's computers (and phones) is to update to the latest version the day it comes out. That has not been the case with 14 and 15, its a heuristic but unknown backdoors are a constant threat. Realistically we should state that they are never, ever safe.