SSE+ Symantec System Recovery 2011 STS Symantec Backup Exec 2010 STS Symantec Data Loss Prevention 11 STS Symantec Endpoint Protection 12.1 STS Symantec Messaging Gateway 9.5 STS Symantec System Recovery 2011 STS Symantec Technical Foundations: Security Solutions 1.0 SSE+ Symantec Backup Exec 2012 STS Symantec Backup Exec 2012 SSE+ Symantec Backup Exec 3600 Appliance (mid-market) (September 2012) STS Symantec Technical Foundations: Security Solutions 2.0 SSE+ Symantec System Recovery 2013 SSE+ Symantec Messaging Gateway 10.5 SSE+ Symantec Backup Exec 2014 SSE+ Symantec Endpoint Protection 12.1 (August 2014)