CIS Microsoft Windows 10 Enterprise Release 1909 Benchmark

Remediation:

To establish the recommended configuration via GP, set the following UI path to Enabled: Do not allow 256-bit recovery key :

Computer Configuration\Policies\Administrative Templates\Windows Components\BitLocker Drive Encryption\Operating System Drives\Choose how BitLocker-protected operating system drives can be recovered: Recovery Key

Note: This Group Policy path may not exist by default. It is provided by the Group Policy template VolumeEncryption.admx/adml that is included with the Microsoft Windows 7 & Server 2008 R2 Administrative Templates (or newer).

Impact:

A 256-bit recovery key will not be permitted for the operating system drive. Users will need to be domain connected to turn on BitLocker. This policy is not FIPS complaint.

Default Value:

Recovery options are specified by the user.

References:

1. CCE-33101-7

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