master key

At 15:19, she tried the door to the toilet, using a master key to unlock it.

Staff had master keys that could unlock all the patients' rooms.

"As we have said many times before, we have never built a backdoor or master key to any of our products or services and we never will."

The company claims he sold a “master key” for $350 that facilitated cheating across a range of games.

"As we have said many times before, we have never built a backdoor or master key to any of our products or services and we never will," Apple says on its website.