SSE Symantec Enterprise Vault 10 SSE Symantec NetBackup 7.5 SSE+ Symantec Enterprise Vault 10 (April 2012) SSE+ Symantec NetBackup 7.5 STS Symantec NetBackup 7.5 for UNIX SSE+ Symantec Backup Exec 3600 Appliance (mid-market) (September 2012) SSE+ Symantec Enterprise Vault.cloud (March 2013) SSE Symantec Enterprise Vault.cloud (March 2013)