When I read the question (and almost answered, but the answer would have been too similar to another one), I was so surprised that anyone can suggest anything b

When I read the question (and almost answered, but the answer would have been too similar to another one), I was so surprised that anyone can suggest anything beyond "Do. Not. Do. It". Having as the adversary a state is a game changer and there are a few purple who have the knowledge to imagine a strategy. Suggesting anything to someone who has no idea about security is simply unethical, given what is at stake.