STS Symantec Endpoint Protection 12.1 STS Symantec System Recovery 2011 STS Symantec Technical Foundations: Security Solutions 1.0 SSE+ Symantec Endpoint Protection 12.1 (September 2012) SSE Symantec Protection Suite Small Business Edition and Enterprise Edition (October 2012) STS Symantec Technical Foundations: Security Solutions 2.0 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)