The security agent

This column from SecurityFocus BUGTRAQ Columnists is a story of Dave Thomas, former chief of computer intrusion investigations at FBI headquarters, and current Assistant Special Agent in Charge of the St. Louis Division of the FBI, and his meeting with the columnist's students and what the FBI-agent had to tell about the security flaws of the Internet.

It's a long story but very informative. And of course there are examples of hacking:
"In one, a hacker sent a WinPopup message to a fellow: "Hey, put your shirt back on! And why are you using a computer when there's a girl on your bed!" Sure enough, the camera had captured a guy using his computer, sans shirt, and in the background you could clearly see a young woman stretched out on a bed."

And he have a tip to the hacker: "If you're a bad guy and you want to frustrate law enforcement, use a Mac.". Read the sequel: Files show Utah had key role in MATRIX