Imperial Security Headquarters in Vorbarr Sultana served as the main headquarters of Barrayaran Imperial Security. building was designed during Mad Emperor Yuri's reign by the mad architect, Dono Vorrutyer. "The Imperial Security Headquarters building stood windowless, foursquare against the light, a vast utilitarian concrete block with enormous gates and doors certainly designed to diminish any human supplicant fool enough to approach it." ―Mark Vorkosigan's first impression of ImpSec