Microsoft has released the first service pack for MS Antigen. MS Antigen offers server level antivirus, anti-spam, and content filtering, and is part of the Microsoft Forefront Security product family. Microsoft Forefront Security for Exchange Server and Microsoft Forefront Security for SharePoint are the latest products and offer protection for Microsoft Exchange Server 2007, Microsoft Office SharePoint Server 2007, and Microsoft Windows SharePoint Services 3.0. SP 1 offers the following enhancements:

Enhanced cluster support
Scanning of Office 2007 file formats
Globalization.

The Antigen 9.0 SP1 release includes Antigen for Exchange, Antigen for SMTP Gateways and Antigen Spam Manager.