SSE Symantec Backup Exec 2010 SSE Symantec Backup Exec 2010 (September 2011) SSE Symantec Data Loss Prevention 11.0 SSE Symantec Endpoint Protection 12.1 SSE Symantec Endpoint Protection 12.1 Small Business Edition (August 2011) SSE+ Symantec Protection Suite Enterprise Edition for Endpoints 4.0