Read more about Section 31 at: Wikipedia

Official Site: Paramount

Section 31, in the fictional universe of Star Trek, is an autonomous intelligence and defense organization that carries out covert operations for the United Federation of Planets. Created by Ira Steven Behr for the Star Trek: Deep Space Nine episode "Inquisition", the organization was intended to act as a counterbalance to the utopian portrayal of the Federation.

Section 31 settings and characters have appeared in dozens of episodes, novels and comics. In 2019, CBS announced a new series was in development about Section 31, starring Michelle Yeoh.

The name, Section 31, is explained in the story as being taken from the fictional Starfleet Charter: Article 14, Section 31. The article, according to agents, allowed for extraordinary measures to be taken in times of extreme threat. Such measures included malicious sabotage of enemy installations and technology, biological warfare, and preemptive assassination.

According to Ronald D. Moore there was considerable debate on the origin of the organization, in particular on how the organization was formed and how long ago.

Section 31 has not been a contender in any CBUB matches.