This study in cooperation with the Federal Office for Information Security in Germany (Bundesamt für Sicherheit in der Informationstechnik, BSI Deutschland) covers the threats and risks as well as possible security methods and techniques, used within Web 2.0.
The study is available at the official site of the BSI or here: web20_pdf (PDF).
Written 2008 for the
Federal Office for Information Security
Bundesamt für Sicherheit in der IT (BSI)