SSE Symantec Backup Exec 2010 (September 2011) SSE Symantec Endpoint Protection 12.1 (August 2011) SSE Symantec Endpoint Protection 12.1 Small Business Edition (August 2011) SSE+ Symantec Backup Exec 2010 (September 2011) SSE+ Symantec Endpoint Protection Small Business Edition 12.1 (August 2011) STS Symantec Data Loss Prevention 11 STS Symantec Data Loss Prevention 11.5 SSE+ Symantec Backup Exec 2012 STS Symantec Backup Exec 2012 STS Symantec Data Loss Prevention 12