"I'm not one of them - likely for two very specific reasons.
"1) I run Linux. Yes I know Linux can be attacked too, but it
doesn't present the same broad attack surface that Windows PCs
"2) Prior to attending Black Hat (or any conference for that
matter), I'll run my own mini pen-test over the course of a few
days of regular usage to ensure that I've haven't got open ports
running and that I'm not unknowingly passing passwords in the