In one of the rooms there will be two Sith Troopers berating. There are different methods to procure Sith Armor, most of which are in the Upper City North Apartments: Head into the North Apartments. Wearing the armor will cause other people to believe that you are of the Sith.
'Sith Armor is the standard issue armor for all Sith Assault Troopers on Taris during the planet-wide quarantine. It’s set in the Star Wars universe five years after the ending of the first game. Star Wars: Knights of the Old Republic 2: The Sith Lords is the sequel to the acclaimed Knights of the Old Republic.