SSE Symantec Backup Exec 2010 (September 2011) SSE Symantec Data Loss Prevention 11.0 SSE Symantec Endpoint Protection 12.1 (August 2011) SSE Symantec Endpoint Protection 12.1 Small Business Edition SSE Symantec Endpoint Protection 12.1 Small Business Edition (August 2011) SSE+ Symantec Data Loss Prevention 11.0 SSE+ Symantec Endpoint Protection 12.1 (August 2011) STS Symantec Endpoint Protection 12.1 STS Symantec Management Platform 7.1 STS Symantec Messaging Gateway 9.5 SSE Symantec Enterprise Vault 10 (March 2012)