“How many cyberattacks until it is called an act of war?”
Not at least until next January, even with many dead.
China, Russia, Iran and most of the countries south of our border(many are in cahoots with China, Russia or Iran) ALL know that they have at least 9 months to do exactly as they please.
Boom! You win the prize!
So it’ll be a Black Swan event of intentional negligence. How often has that happened? Pearl Harbor and 9-11 come to mind.