SSE Symantec Endpoint Protection 12.1 (August 2011) SSE Symantec Messaging Gateway 9.5 SSE+ Symantec Endpoint Protection 12.1 (August 2011) SSE+ Symantec Enterprise Vault 10.0 SSE+ Symantec Messaging Gateway 9.5 STS Symantec Endpoint Protection 12.1 STS Symantec Enterprise Vault 10.0 for Exchange STS Symantec Enterprise Vault 9.0 for Exchange STS Symantec Messaging Gateway 9.5 STS Veritas Cluster Server 5 for Windows SSE+ Symantec Data Loss Prevention 11.5 SSE Symantec Data Loss Prevention 11.5 SSE Symantec Enterprise Vault 10 (March 2012) SSE+ Symantec Enterprise Vault 10 (April 2012) STS Symantec Messaging Gateway 10.0 STS Symantec Data Loss Prevention 12