Today, February 17, 2008, 01:00 AM GMT+8:00 , my iGoogle Home Page got consistently redirected to a Website called SiteSure.com.
It appears that one of Google's gadgets called, "This Day in History" has been Hijacked and is causing the redirect. Simply remove the gadget before it fully loads.
Curiously, this is a Windows specific problem as it does not happen on Linux.
More details here.
in Google Groups
I think its time for a Google password change as a lot of services rely on it.