I recently read "Surely you're joking Mr Feyman" which had a number of anecdotes about the Manhattan Project's security from sneaking through fences to picking

I recently read "Surely you're joking Mr Feyman" which had a number of anecdotes about the Manhattan Project's security from sneaking through fences to picking safes. It makes the whole project sound a little more human, even if the results weren't. You can draw several analogies to computer systems and security products as well.