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Transparent Data Encryption (TDE)

You can use Transparent Data Encryption (TDE) to encrypt SQL Server and Azure SQL Database data files at rest. In a scenario where the physical media (such as drives or backup tapes) are stolen, a malicious party can just restore or attach the database and browse the data. With TDE you can encrypt the sensitive data in the database and protect the keys that are used to encrypt the data with a certificate. TDE performs real-time I/O encryption and decryption of the data and log files to protect data at rest. TDE can assist in the ability to comply with many laws, regulations, and guidelines established in various industries.

Important

TDE does not provide encryption across communication channels. For more information about how to encrypt data across the communication channel between the database and the Microsoft Dynamics NAV Server, see Enhancing Microsoft Dynamics NAV Server Security.

Caution

Backup files of databases that have TDE enabled are also encrypted by using the database encryption key. As a result, when you restore these backups, the certificate protecting the database encryption key must be available. This means that in addition to backing up the database, you must make sure that you also maintain backups of the server certificates to prevent data loss. Data loss will result if the certificate is no longer available.

For more information about TDE, see Transparent Data Encryption (TDE)

See Also

Classifying Data
Data Security
Enhancing Microsoft Dynamics NAV Server Security
Deploy a Microsoft Dynamics NAV Database to Azure SQL Database