Here are a few links if you wish to read more:
- Security in the CDS: https://docs.microsoft.com/power-platform/admin/wp-security
- Manage the encryption key: https://docs.microsoft.com/power-platform/admin/manage-encryption-key
- Manage teams: https://docs.microsoft.com//power-platform/admin/manage-teams
- User service admin roles to manage your tenant: https://docs.microsoft.com/power-platform/admin/use-service-admin-role-manage-tenant
- Share a model-driven app: https://docs.microsoft.com/powerapps/maker/model-driven-apps/share-model-driven-app
- System and application users: https://docs.microsoft.com/power-platform/admin/system-application-users
- Create a team template to control access rights for automatically created teams: https://docs.microsoft.com/power-platform/admin/create-team-template-add-entity-form
- Field-level security: https://docs.microsoft.com/power-platform/admin/field-level-security