STS Symantec Endpoint Protection 11 MR4 STS Symantec Endpoint Protection 12.1 STS Symantec Enterprise Vault 10.0 for Exchange SSE+ Symantec Enterprise Vault 10 (April 2012) SSE+ Symantec Endpoint Protection 12.1 (September 2012) STS Symantec Technical Foundations: Security Solutions 2.0 STS Symantec Enterprise Vault 11.x