James LaLonde, who used left Microsoft to work for Network Associates as the head of their operations in Asia, used to joke that his business was safe so long as Redmond stayed out of the anti-virus business. With all the  hubaloo over securtiy and spam, Microsoft announced plans to address it in the recent Windows XP Service Pack update and the Internet explorer browser this Summer.

Now we see two new standalone downloads that specifically address spyware and "malicious code" which is the boldest sign that Microsoft getting into the anti-virus market.

Malicious Software Removal Tool (sounds like a dentist’s instrument)

AntiSpyware (click on thumbnail for screenshot)