Copilot QuickScan • Oversharing paths

Oversharing paths.

Copilot can amplify existing permission sprawl. This review focuses on permission-driven exposure paths, not content inspection.

What is reviewed

Patterns that typically create oversharing risk.

Common exposure patterns
  • Broad groups and inherited permissions across shared sites.
  • High-risk sharing defaults (link sharing, guest access posture, unmanaged groups).
  • Cross-domain leakage risk (e.g., client data sites accessible beyond intended roles).
What is not reviewed by default

Designed to remain non-confidential unless explicitly authorized.

  • Content-level sampling or document-by-document review
  • Adversarial testing or prompt injection exercises
  • Remediation implementation (separate scope)
What D2 contains
  • Top exposure paths (ranked) and which permission patterns drive them
  • Recommended actions with owners (IT vs Security vs Business owner)
  • Notes for leadership decision-making (what changes risk meaningfully)