Details

Google Chrome can specify URLs/hostnames for which Certificate Transparency will not be enforced. If this setting is disabled, no URLs are excluded from Certificate Transparency requirements.

The recommended state for this setting is: Disabled (0)

Rationale:

Certificates that are required to be disclosed via Certificate Transparency shall be treated for all URLs as untrusted if they are not disclosed according to the Certificate Transparency policy.

Impact:

None – This is the default behavior.

Solution

To establish the recommended configuration via Group Policy, set the following UI path to Disabled:

Computer ConfigurationPoliciesAdministrative TemplatesGoogleGoogle ChromeDisable Certificate Transparency enforcement for a list of URLs

Default Value:

Unset (Same as Disabled, but user can change)

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/3653

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Windows.

References

• 800-53|CM-7b.

Source

• Tenable.com/audits