009: Graph API

Implementation Effort: Medium – Requires API design, app registration governance, permission review, and testing.

User Impact: Low – End users are not directly affected, but poorly designed automation can impact large numbers of devices.

Overview

Microsoft Graph is the primary programmable interface for Microsoft Intune. It allows organizations to query devices, compliance, apps, assignments, and many other endpoint-management artifacts so they can automate reporting, bulk administration, and integrations with service management or security tooling. In a Zero Trust model, Graph-based automation should reduce manual drift and speed response, but it must itself be governed as privileged access because an over-permissioned app or script can change device security at scale.

Implementation Guidance

1. Decide whether the scenario is read-heavy reporting, operational bulk actions, or configuration automation. Different scenarios justify different permissions and change controls.
2. Register applications with only the minimum Microsoft Graph permissions required. Review and approve application permissions carefully because they can create standing tenant-wide privilege.
3. Use certificate-based or managed identity authentication where possible for production automation instead of long-lived shared secrets.
4. Build in throttling, retry logic, and change logging. Bulk Intune operations should be predictable and auditable.
5. Test Graph automations in a pilot scope before using them against broad production populations. Small mistakes in assignment or deletion logic can have tenant-wide consequences.
6. Treat Graph automation owners like privileged operators: review their code, review their permissions, and retire unused applications promptly.

Reference

• Working with Intune in Microsoft Graph - Microsoft Graph v1.0 — Explains how to use Microsoft Graph to automate and integrate with Microsoft Intune.
• Best practices for working with Microsoft Graph - Microsoft Graph — Provides recommended patterns for authentication, performance, reliability, and change handling in Microsoft Graph.
• Register an application with the Microsoft identity platform - Microsoft Graph — Explains how to register an application in Microsoft Entra and assign the required API permissions.