"The planetary perimeter shield will open in exactly 3.2 seconds. Follow your pre-arranged flight path, or you will be vaporized. If you make any sudden maneuvers, you will be vaporized. If you deviate from your course by one degree, you will be vaporized. Welcome to the planet Byss."
―A Byss Security computer, welcomes the Starlight Intruder to Byss — Gnome-speakernotesListen (file info)[src]

Byss Security was an Imperial Military unit that oversaw the security of the planet Byss during Operation Shadow Hand.