Let's say a Soviet exchange student back in the '70s would go back and tell the KGB about people and places and things that he'd seen and done and been involved with. This is not really espionage; there's no betrayal of trust.
“As for the company, I did all I could from the very outset of this affair to remove Yukos and its employees from danger.”
“I really believe my greatest service is in the many unwise steps I prevent.”