SSE Symantec Security Info Manager 4.7 SSE+ Symantec Security Info Manager 4.7 STS Symantec Endpoint Protection 12.1 STS Symantec Security Information Manager 4.7 SSE+ Symantec Data Loss Prevention 11.5 SSE Symantec Data Loss Prevention 11.5 SSE+ Symantec Endpoint Protection 12.1 (September 2012) SSE Symantec Endpoint Protection 12.1 (September 2012) STS Symantec Messaging Gateway 10.0