SSE Symantec Backup Exec 2010 SSE Symantec Endpoint Protection 12.1 (August 2011) SSE Symantec Protection Suite: Small Business Edition and Enterprise Edition (May 2011) SSE Symantec Backup Exec 2012 SSE+ Symantec Backup Exec 2012 SSE+ Symantec Endpoint Protection 12.1 (September 2012) SSE+ Symantec Backup Exec 3600 Appliance (mid-market) (September 2012) SSE Symantec Protection Suite Small Business Edition and Enterprise Edition (October 2012) SSE+ Symantec Endpoint Protection Small Business Edition 2013 SSE Symantec Endpoint Protection 12.1.4 (February 2014) SSE+ Symantec Endpoint Protection Small Business Edition (April 2014) SSE Symantec Endpoint Protection Small Business Edition (April 2014)