Infecting Anti-Virus Programs
"Attacking Microsoft has become passe. Hackers nowadays are going after anti-virus programs themselves. And they are having more success than you might think." See this story here at the Spiegel Online website.
See also here some good tips from PC World, titled: Think Before You Click to Avoid Viruses and Scams. Just a bit of caution will keep your PC and your personal data safe. Plus: How good is an anti-spyware tool marketed through spam?