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Romulan Security was an agency present within the Romulan Star Empire which was charged with security matters. (TNG episode: "Unification")


The symbol of the organization was that of a raptor holding a shield in its talons. Its members wore a snug, dark-gray uniform with the sigil of the agency present on the right breast and their names listed beneath it which was made in matching silver characters. In addition, they wore a thin, colored insignia that marched down the outside of the right arm which showed the rank of the individual and they also carried energy weapons by their hips. Those of the rank of Protector were known to answer directly to the Office of Internal Security. (DS9 novel: Rough Beasts of Empire) It did face some internal political conflicts with the Tal Shiar. (TOS novels: Vulcan's Soul, Epiphany)

Ranks included:

Presumably, it was a branch of the Office of Homeland Peace established in Vulcan's Soul Exodus


When Captain Jean-Luc Picard and Commander Data infiltrated Romulus to locate Ambassador Spock, Romulan Security were reported to have been looking for the Starfleet officers. (TNG episode: "Unification")

By the time of the Watraii conflict, this agency was headed by Charvanek.

Romulan Security was later directed to combat the threat of the Reunification Movement and detaining any known members of the organization. The campaign against the Unification movement first began under the reign of Praetor Hiren and continued to both Shinzon of Remus and Tal'Aura. At some point, the Praetor had sent Ki Baratan's ssecurity forces into the tunnels beneath the capital city in search for members of the Reunification Movement which saw several of Spock's comrades being lost as they were tracked down via their communicators. Over time, more than half a dozen had been taken into custody with three being executed. This resulted in the Ki Baratan cell temporarily stopping the usage of these devices in order to prevent being discovered. (DS9 novel: Rough Beasts of Empire)

Afterwards, the agency was responsible for the arrest of Empress Donatra on charges of murder when she arrived on Romulus. (DS9 novel: Rough Beasts of Empire)