I had a programming job in the military where the desktops were in a vault secured with a combination lock. When opening up in the morning you got 2 cracks to e

I had a programming job in the military where the desktops were in a vault secured with a combination lock. When opening up in the morning you got 2 cracks to enter the combination to the vault correctly. After that people with M16s showed up. That actually happened at least once that I know of, fortunately not to me.