"Google Web Security for Enterprise service, powered by Postini, stops web-borne spyware and viruses before they infiltrate your network and compromise or disable your computers. All web requests are scanned in real-time, rather than solely relying on static URL lists, providing you with dynamic, real-time and multi-layered protection."
Second new is Gmail could be used to spread spam as open smtp relay due to hierarchy of Google' servers for other smtp servers. Here is original report and proof of concept, also the original report from Zdnet: Gmail can be used as Spam bazooka.
- Ricardo Seguel P.