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  4. SQL4-00-034800 – SQL Server must implement and/or support cryptographic mechanisms preventing the unauthorized disclosure of organization-defined information at rest on organization-defined information system components.
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SQL4-00-034800 – SQL Server must implement and/or support cryptographic mechanisms preventing the unauthorized disclosure of organization-defined information at rest on organization-defined information system components.

Details

DBMSs handling data requiring ‘data at rest’ protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. These cryptographic mechanisms may be native to the DBMS or implemented via additional software or operating system/file system settings, as appropriate to the situation.

Selection of a cryptographic mechanism is based on the need to protect the integrity of organizational information. The strength of the mechanism is commensurate with the security category and/or classification of the information. Organizations have the flexibility to either encrypt all information on storage devices (i.e., full disk encryption) or encrypt specific data structures (e.g., files, records, or fields).

The decision whether and what to encrypt rests with the data owner and is also influenced by the physical measures taken to secure the equipment and media on which the information resides.

NOTE: Nessus has not performed this check. Please review the benchmark to ensure target compliance.

Solution

Where full-disk encryption is required, configure Windows and/or the storage system to provide this.

Where transparent data encryption (TDE) is required, deploy the necessary stack of certificates and keys, and set the Encryption Enabled to True. For guidance from the Microsoft Developer Network on how to do this, perform a web search for ‘SQL Server 2014 TDE’.

Where column encryption is required, deploy the necessary stack of certificates and keys, and enable encryption on the columns in question. For guidance from the Microsoft Developer Network on how to do this, perform a web search for ‘SQL Server 2014 Encrypt a Column of Data’.

Supportive Information

The following resource is also helpful.

This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Windows.

References

Source

Updated on July 16, 2022
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