"ZDNet is reporting that corporate web servers are infecting visitors' PCs. The combination of two unpatched IE security holes and hacked corporate websites is apparently distributing malware via several high-credibility sites. ZDNet says users have 'few options' other than alternative browsers or platforms."
zdnet.com.com/2100-1105_2-5247187.html?tag=zdfd.newsfeed

Whee...I'm finally taking the time tomorrow to switch all of our company browsers over to Firefox. What fun.