SSE Symantec Endpoint Protection 12.1 (August 2011) SSE Symantec Enterprise Vault 10 SSE Symantec NetBackup 7 SSE Veritas NetBackup PureDisk 6.5 SSE+ Symantec Enterprise Vault 9.0 SSE+ Symantec NetBackup 7 STS Symantec Enterprise Vault 9.0 for Exchange SSE+ Symantec Endpoint Protection 12.1 (September 2012)