There are additional settings in the SharePoint admin center that can also be used to block or limit access. To access those settings, navigate to https://admin.microsoft.com | Admin centers | SharePoint | Access control:
The Access control settings provide you with more fine-grained control over how users can access content in the service, specifically in the following areas:
- Unmanaged devices
- Idle session sign-out
- Network locations
- Apps that don't use modern authentication
In the upcoming sections, we'll learn about what features and options are available so that you can restrict access to your tenant's resources.