I just received this update from the Forefront Security Blog.
Forefront Security for Office Communication Server (FSOCS) provides fast and effective protection against IM-based malware for OCS 2007 and OCS 2007 R2 environments by including multiple scanning engines from industry-leading security partners. FSOCS also helps reduce corporate liability by blocking instant messages containing inappropriate content. This release includes:
Like other Forefront server security products, FSOCS provides superior detection of the latest threats when compared to single engine solutions by using our multiple engine scanning technology. FSOCS has also been featured in a few of the OCS 2007 R2 virtual launch sessions that you should check out. Lastly, we are making available some new content including a new demo walk though, case studies, and a datasheet.