Earlier quoted context omitted.
You would do that? Now I'm beginning to consider if I should be asking candidates to bring some intellectual property owned by their current/previous employer as a filter.
I am not saying I would do that (I wouldn't). I am just not sure how a computer can be locked down so tightly that it is impossible to send text from it to another computer.
There are, of course, ways, but some organisations make the overhead way too big to bother.
I personally know of a case where the 'core team' of a major payments processing system was running development being completely isolated from the internet due to security reasons. Need to check stackoverflow - sure - have a walk to the cabin where you have a dedicated machine connected to web for that. Oops, and no copy-paste, sorry.