Microsoft Defender AV must hide the Family options area.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-278660	SRG-APP-000210	WNDF-AV-000056	SV-278660r1144057_rule	2025-11-25	2

Description
The Family options section contains links to settings and further information for parents of a Windows PC. It is not intended for enterprise or business environments. This section can be hidden from users of the machine. This option can be useful if you do not want users in the organization to see or have access to this section.

ℹ️ Check
Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Security >> Family Options >> Hide the Family options area is set to "Enabled"; otherwise, this is a finding. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Family options Criteria: If the value "UILockdown" is REG_DWORD = 1, this is not a finding. If the value is 0, this is a finding.

ℹ️ Check

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Security >> Family Options >> Hide the Family options area is set to "Enabled"; otherwise, this is a finding. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Family options Criteria: If the value "UILockdown" is REG_DWORD = 1, this is not a finding. If the value is 0, this is a finding.

✔️ Fix
Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Security >> Family Options >> Hide the Family options area to "Enabled". Click "OK". Click "Apply".