If you don't trust your employees or let them BYOD then you have a security problem.

There's little need for Network Security if this fellow is employed to do a penetration test. I advise you watch the entire video to see where he uses no computers yet can get the company information. Ready?

It has little to do with network security. Basic security is often overlooked when they focus on an area like network security.

Tell me how scary this guy is.