Hi @Anonymous · Thank you for reaching out.
The authentication phone is protected by default and it is not visible to Non-administrator user. Only the users with administrator roles like, Privilege Authentication Administrator, User administrator, Global Administrator, can see this attribute. For Authentication Administrators, the number is masked as shown below:
Additionally, there is no option to hide specific information in the portal. The available options are:
- Navigate to Azure AD > Users > User Settings and select yes to restrict access to Administrator only and non-admin users won't be able to access Azure AD blade. They can however, access the information via PowerShell or Graph API.
- Navigate to Azure AD > Users > User Settings > External users > Manage external collaboration settings to restrict access of Guest user accounts:
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