Protect sensitive information from the DBA in SQL Server 2008

Hi,

Our client need to encrypt the MOSS content database so the content db should not be able to view by DBA or unauthorized people without the right encryption key. Seem the Transparent Data Encryption (TDE) in SQL Server 2008 cannot protect the sensitive information from DBA cause TDE is designed to protect data 'at rest'. Does anyone here faced this problem?

Thank You

Hari