Stolen has a very specific meaning, it involves taking something from someone else, denying them the ability to use it. If the person still has the thing, you'v

Stolen has a very specific meaning, it involves taking something from someone else, denying them the ability to use it. If the person still has the thing, you've not stolen it. I think 'copied' is the right word here. They hacked the system, and copied the keys.