The funny thing is that Cisco doesn't use this for support; to get remote support from them there is a user-initiated challenge-response workflow that authorize

The funny thing is that Cisco doesn't use this for support; to get remote support from them there is a user-initiated challenge-response workflow that authorizes Cisco TAC to connect to a box. Conspiracy people always gonna conspiracy though, and sometimes they're right, and whether it's an intentional backdoor or not, it is a backdoor.