Configure the list of Microsoft Defender SmartScreen trusted domains. This means Microsoft Defender SmartScreen will not check for potentially malicious resources, such as phishing software and other malware, if the source URLs match these domains. The Microsoft Defender SmartScreen download protection service will not check downloads hosted on these domains.
If this policy is enabled, Microsoft Defender SmartScreen trusts these domains. If the policy is disabled or not set, default Microsoft Defender SmartScreen protection is applied to all resources.
The policy value for 'Computer Configuration/Administrative Templates/Microsoft Edge/SmartScreen settings/Configure the list of domains for which Microsoft Defender SmartScreen won't trigger warnings' may be set to 'allow' for whitelisted domains.
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Maintenance.This control applies to the following type of system Windows.