Cyberguard

Cyberguards were Cybermen who were assigned to security duties.

History
During the 1986 invasion of Earth, the Mondasian Cyberguards stood within their Cybercraft. (PROSE: Doctor Who and the Tenth Planet)

In 2526, Neomorph Cyberguards accompanied the Cyber-Leader who invaded Briggs' freighter. (PROSE: Earthshock)

Neomorph Cyberguards were stationed on Telos. (PROSE: Attack of the Cybermen)

In the Total Collapse Event Incident, the Eleventh Doctor found a damaged Cyberman of the Cybus Industries design on guard by the Pandorica in the Underhenge. Two Cybus-style Cyberguards were later seen with a Cyber-Leader as part of the Pandorica Alliance, seeking to stop the Doctor from destroying the universe. (TV: The Pandorica Opens)

In the immediate aftermath of the Cyber-Wars, Ashad had two Cyber Legion-style Cyberguards, who addressed him as Leader, to protect and help him fight on a refugee planet. (TV: Ascension of the Cybermen) They were killed when the Thirteenth Doctor, her companions and their friends destroyed Ashad's recovered Cybercarrier and the Cyber-Army onboard it. (TV: The Timeless Children)

Behind the scenes

 * The two Cybus Cybermen who stood by Cyber-Controller John Lumic in The Age of Steel were released as action figures alongside the Controller by Character Options and named "Cyber Guards".
 * The Cyberman from The Pandorica Opens was released by Character Options under the name "Cyberman Pandorica Guard".