The Overwatch is an Auctor A.I construct. Its core resides in the main citadel on Repmundo. It speaks in an imposing, female voice, and is notorius for usually being the last thing the Auctors' victims hear.
The Overwatch uses scanner Automatum, ranging from the huge ones for a planetary quickscan, or small ones, to deliver detailed scans of smaller areas, usually before they can be destroyed. It then provides tactcal information on any device that can make sound. At the end of most sentences it will say something about the task, such as, "Expunge, sterilize, secure" as a summary. It hacks into enemy channels collecting intelligence, and often breaking up signals