Definition

Microsoft Antigen

Microsoft Antigen is a set of programs that provides security and e-mail filtering for network servers. Antigen can provide layered, multiple-scan protection against viruses, worms, spyware and other forms of malware. Antigen can also filter e-mail to minimize inappropriate content and malicious attachments according to user or administrator preferences. There are several versions of the package including:

  • Antigen for Microsoft Exchange
  • Antigen for Microsoft SharePoint Portal Server and Windows SharePoint Services
  • Antigen for Instant Messaging
  • Antigen for SMTP Gateways
  • Sybari Enterprise Manager
  • Advanced Spam Manager
  • Advanced Spam Defense
  • Antigen for Domino on Windows NT

Antigen was originally produced by Sybari Software Inc., which was acquired by Microsoft in 2005 and is now a wholly owned subsidiary. Microsoft Antigen should not be confused with AntiGen (with a capital G), a freeware product developed by Fresh Software to detect the presence of Back Orifice on computers running Windows.

This was last updated in January 2007
Posted by: Margaret Rouse

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