tradecraft

noun

1. (countable, uncountable)The skills acquired through experience of a trade.
2. (countable, uncountable)The methods used in espionage and clandestine operations.

   “The conduct of the meeting and the passing of intelligence is simply amateurish statecraft and intelligence tradecraft, and begs the question: Who are the professionals planning the strategy and operations that direct the President on the world stage?”

   “Defending the move, Ms. [Tulsi] Gabbard’s office highlighted what it said were problems of tradecraft, or the methodology used to gather information and analyze intelligence for the report.”