This Man Has a Virus
From the article
If a respectable-looking person handing out sample CDs on the street offered you one, would you take it home and run it? If he handed it to you on your commute to the office, would you run it at work? If someone called and said she was with IT and needed your computer’s password, would you give it? If you said yes to any of these questions, you’re a prime target for social engineering.
