SSE PGP Email Encryption SSE Symantec Encryption Solutions for Endpoints SSE Symantec Endpoint Protection 12.1 SSE Symantec Endpoint Protection 12.1 (August 2011) SSE Symantec Protection Suite: Small Business Edition, Advanced Business Edition and Enterprise Edition SSE+ Symantec Endpoint Protection 11 SSE+ Symantec Endpoint Protection 12.1 (August 2011) SSE+ Symantec PGP Encryption Solutions STS Symantec Endpoint Protection 12.1 STS Symantec PGP Universal Server 3.2 SSE+ Symantec Data Loss Prevention 11.5 SSE Symantec Encryption Solutions for Email STS Symantec Data Loss Prevention 11.5 SSE+ Symantec Endpoint Protection 12.1 (September 2012) SSE+ Symantec Messaging Gateway 10 STS Symantec Messaging Gateway 10.0 SSE Symantec Encryption Solutions for Endpoints (November 2013) SSE Symantec Encryption Solutions for Email (December 2013) SSE Symantec Endpoint Protection 12.1.4 (February 2014)