Sorry, but this story didn't convince me. It was too straight forward and too much focused on professional sounding keywords and representing stuff as serious security risk that actually isn't.
What I can agree with is that in most companies you probably get in without having files/id cards checked and that this may become a problem to that company at some point.
She doesn't say who the target was but high security with armed guards sounds like its what I would call a List X company in the UK. That is one that has dealings with sensitive info.
What I can agree with is that in most companies you probably get in without having files/id cards checked and that this may become a problem to that company at some point.