A cease and desist is an order or request to halt an activity (cease) and not to take it up again later (desist) or else face legal action. The recipient of the cease-and-desist may be an individual or an organization.

In the U.S. the term is used in two different contexts. A cease-and-desist order can be issued by a judge

Judge

A judge is a person who presides over court proceedings, either alone or as part of a panel of judges. The powers, functions, method of appointment, discipline, and training of judges vary widely across different jurisdictions. The judge is supposed to conduct the trial impartially and in an open...

 or government authority, and has a well-defined legal meaning.