KX-series

KX-series was a line of Security droids by the Galactic Empire. K-2SO was a KX-series Security Droid.

Appearances

 * Rogue One: A Star Wars Story
 * Rogue One: A Star Wars Story novel
 * Rogue One: A Star Wars Story – A Junior Novel
 * Star Wars: Rogue One Secret Mission
 * Star Wars: Commander
 * Star Wars Battlefront: Rogue One: X-wing VR Mission

Sourses

 * ''Star Wars: Rogue One: The Ultimate Visual Guide