- Because business-relevant content creation is shifting from “trusted providers” to semi-anonymous collaborations like wikis, blogs, and social networks, the focus is shifting away from blocking and allowing entire sites and toward figuring out how to deal with the possibility of Facebook (e.g.) as a malware vector
- Spam messages per business user in 2008: 42,000, based on their internal statistics.
- Because of #1, outgoing URL filtering no longer works (at least by itself). You have to combine anti-spyware, anti-virus, anti-phishing, and access control with high performance requirements.