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Security

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ramana3327
ramana3327
SSCrazy
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Group: General Forum Members
Points: 2093 Visits: 2083
Hi,

My company people are using TDE. They want to secure the data even they don't want the DBA can see the data. How can we achieve this? Any third party tools available for this?
Adi Cohn
Adi Cohn
Hall of Fame
Hall of Fame (3.6K reputation)Hall of Fame (3.6K reputation)Hall of Fame (3.6K reputation)Hall of Fame (3.6K reputation)Hall of Fame (3.6K reputation)Hall of Fame (3.6K reputation)Hall of Fame (3.6K reputation)Hall of Fame (3.6K reputation)

Group: General Forum Members
Points: 3647 Visits: 6503
TDE will only help if some stills the database's files or the database's backup files. The data is written to those files with encryption, but when it goes into the cache, it is decrypted. This won't stop anyone with permissions to read the data, from watching it decrypted.
If you don't want the DBA team to be able to read data on the server, then you'll have to encrypt it using a password that is not known to the DBA team. Have a look at this article - http://www.mssqltips.com/sqlservertip/2840/sql-server-encryption-to-block-dbas-data-access/. Notice that it comes with a price – you won't be able to use indexes on encrypted data, so you'll might have performance issues. Also if you already have an application that is working with the database, you'll have to modify the code.

Adi

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