I was reading something quiet scary today, thanks to Susan for her great post!
Original blog post from Susan:
http://msmvps.com/blogs/bradley/archive/2008/07/02/stupid-is-as-stupid-does.aspx
The article referenced in her blog post on TechNet
Anatomy Of A Hack: How A Criminal Might Infiltrate Your Network
http://technet.microsoft.com/en-us/magazine/cc160808.aspx