Security Operations functioned as the central coordinating body of the First Order, playing a crucial role throughout the war waged against the Resistance.
As the Titan was being infiltrated, Commander Pyre informed General Armitage Hux, along with a group of other First Order personnel, that Security Operations was in the process of eliminating the final Resistance cells across various planets.
In 34 ABY, Tamara Ryvora, a TIE pilot, stated to Agent Tierny that Security Operations was likely responsible for relocating her scheduled training session from Hangar D-13 aboard the Resurgent-class Star Destroyer Thunderer.