OAuth consent policies for tenant hardening

Published Feb 19, 2024 • Updated May 1, 2026

Overview

Malicious apps trick users into consent. Restrict consent to admins or verified publishers.

Policies

  • Disable user consent for risky permissions categories.
  • Use admin consent workflow with approvers.

Monitoring

Alert on new enterprise applications weekly; review OAuth grants in Defender or Entra.

User education

“Don’t approve random Teams/SharePoint apps” poster tied to real examples.

Exceptions

Time-box publisher approvals for LOB dev tests in separate dev tenant ideal.

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