Facebook is making major changes to its privacy settings - giving you the opportunity to share your personal information with "everyone" on the internet. But is that wise? More information at http://www.sophos.com/blogs/gc/g/2009/12/10/facebook-privacy/
If you're on Facebook you should join the Sophos Facebook page to be kept up to date on the latest threats: http://www.facebook.com/pages/Sophos/28552295016