"The confrontation of cyberwarfare techniques, domestically and abroad, is not aimed at wreaking havoc, but rather a form of cyber technology deterrent. It's a clear message to the other party that we have the capability to cause you trouble."
"So neither party should go looking for trouble. If you meddle with me, I will reciprocate."
"We don't need to cause substantial damage. No matter how hard we try, we can't invade their internal networks of critical institutions. Similarly, they can't invade our internal networks either."
Professor Liu explained this fundamental principle of the international cyber intrusion war to Zhao Yi, advising him on the best course of action.
Zhao Yi understood.
Deterrence!
Let the other party know that we have the capability to cause disruption. Isn't the invasion program he just designed perfect for this?