Google has launched a new online security blog that discusses security controls for this major website

Google's New Online Security Blog
http://googleonlinesecurity.blogspot.com/

Introducing Google's online security efforts
http://googleonlinesecurity.blogspot.com/2007/05/introducing-googles-anti-malware.html

 QUOTE: Online security is an important topic for Google, our users, and anyone who uses the Internet. The related issues are complex and dynamic and we've been looking for a way to foster discussion on the topic and keep users informed. Thus, we've started this blog where we hope to periodically provide updates on recent trends, interesting findings, and efforts related to online security. Among the issues we'll tackle is malware, which is the subject of our inaugural post.