This is a great resource. More people should be reading it because of the valuable information it provides that could help them avoid some very serious problems.
Recently it had a post about the fact that it has been about a year and a half since Google started to identify web pages that attempt to exploit their visitors by installing and running malware automatically. In that time they have found more than 3 million unique URLs automatically installing malware. They investigated how users are being exposed to malware and how it is being distributed.
Google provides very detailed information about this as well as steps users should be taking to help protect themselves.
Here is that post
Google Online Security Blog: All Your iFrame Are Point to Us
If you have never taken a look at the Google Online Security Blog, you really should put it at the top of you list of things to do.
You can find it here
Google Online Security Blog