ForeFront Endpoint Protection is the enterprise antivirus and antimalware solution from Microsoft, builds on System Center Configuration Manager.

With the coming new version, Microsoft is taking into account mobile devices.

Get the beta and start evaluation here http://www.microsoft.com/downloads/en/details.aspx?FamilyID=b64c2029-0f56-4606-ba0c-ea92e03541f5&displaylang=en