Blizzard has placed a six month ban on over 100,000 players for using automated bots in World of Warcraft. Many of those users emplyed bots like HonorBuddy, which gathers honor in PvP for you without actually engaging in combat.
A message from community management states,
Further clarification from a community manager adds that the issue is not just with movement, but any automated action:
Play fair out there, everyone!