Policy
Specify contact company name
Specify the company name that will be displayed in Windows Security and associated notifications. This setting must be enabled for any contact information to appear. Enabled: Enter the company name in the Options section. Disabled: Company information will not be shown at all in either Windows Security or any notifications that it creates. Not configured: Same as Disabled.
88775b824e3f EnterpriseCustomization_CompanyName Registry
Copy registry mappings
HKLM\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Enterprise Customization\CompanyNamePolicy notes
Specify the company name that will be displayed in Windows Security and associated notifications. This setting must be enabled for any contact information to appear. Enabled: Enter the company name in the Options section. Disabled: Company information will not be shown at all in either Windows Security or any notifications that it creates. Not configured: Same as Disabled.