Azure SQL security
Azure provides advance secure features to ensure that data is never comprised.
Azure SQL transparently encrypts and decrypts all data, backups, log files using Transparent Data Encryption (TDE) automatically. Applications are not aware of this behind the scene encryption and decryption. They use data as they do normally, however, data at rest in a SQL Server cannot be comprehended by anyone having access to them using database tools. The encryption keys can be managed and stored in the Azure key vault.
Azure SQL also takes care of protecting data in flight that is getting transmitted over a network. It provides an Always Encrypted feature that keeps data encrypted even while in storage at rest, during query processing, ...
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