Starfleet Security is the branch of the Federation Starfleet responsible for security aboard all Federation starships and at all Federation starbases and outposts. In addition, Starfleet Security is responsible for providing security at all Federation government facilities, such as the Palais de la Concorde. Starfleet Security is responsible for maintaining and enforcing Starfleet regulations, procedures and policies on all Starfleet and affiliated facilities, outposts, and vessels, and is responsible for setting security clearances for all Starfleet and government personnel and facilities. Starfleet Security often works in conjunction with Starfleet Intelligence. (TNG episode: "The Drumhead", et. al.)

A special division of Starfleet Security provides constant security for the President of the United Federation of Planets. Members of the presidential protection division are present with the President at all times, and constantly guard the Château Thelian and the Presidential Office. Typically, Security officers are garbbed in a standard Starfleet duty uniform; on special occasions, officers may wear formal wear from their home planets or a Starfleet dress uniform. (ST novel: Articles of the Federation)

In 2367, Vice-Admiral Thomas Henry was Chief of Starfleet Security. (TNG episode: "The Drumhead")

In 2379, Starfleet Admirals William Ross, Alynna Nechayev, and Mamoru Nakamura used their authority within Starfleet Command to order all members of Starfleet Security out of the Palais and away from Federation President Min Zife, whom they forced to resign at gunpoint. Subsequently, agents of Section 31 assassinated Zife, his chief of staff, Koll Azernal, and Federation Secretary of Military Intelligence Nelino Quafina. (TNG novel: A Time to Heal)

In the Star Trek: Deep Space Nine book Legends of the Ferengi, an entry comparing the life-span of various beings with the shelf life of gold-pressed latinum includes the entry "Lifespan of a Federation hew-mon working for Starfleet Security: Rarely survive beyond the second act break". (DS9 novel: Legends of the Ferengi)

ConnectionsEdit

Divisions and agencies of Starfleet
	Academy • Administration • Advanced Starship Design Bureau • Advanced Technologies • Appeals Board • Bureau of Information • Bureau of Standards • Command • Communications • Control • Corps of Engineers • Criminal Investigative Service • Cultural Affairs • Dental • Exploratory Division • Headquarters • Intelligence • Inspector General • Internal Affairs • Judge Advocate General • Marine Corps • Materiel Supply Command • Medical • Mission Operations • Operations • OSHC • Orbital Operations • Research and Development • Sector Guard • Security • Special Security Division • Science • Shipyards Operations • Stellar Imaging • Strategic Command • Tactical • Technology Assessment Directorate • Training Command