Microsoft 365 Copilot security readiness

What existing permissions could surface information to a broader audience than its owner intended?

Review information access and governance before expanding how employees discover organisational knowledge.

Begin with the business decision and the affected population. A targeted workload review may be sufficient; an interconnected tenant assessment may be more useful where the same identity, device or data dependency affects several services.

Evidence we agree to examine

• Planned Copilot use cases, participating users and sensitive information locations
• Broad site membership, sharing links, content ownership and guest access
• Available sensitivity labels, data protection policies and discovery restrictions
• Remediation owners, rollout gates and validation using approved representative personas

Why context changes the conclusion

Copilot respects existing permissions. The readiness question is whether those permissions match the organisation’s intended audience, including long-lived sites and broadly shared folders.

Treat this as an assessment question, not a finding about your organisation. During an engagement, a conclusion must identify the dated evidence, the sampled population and any exceptions that could not be corroborated.

The output your team can use

A permission and governance action plan with readiness decisions for selected workloads and user populations.

Each action should identify its accountable owner, licence or business dependency, proposed rollout safeguards and the record that will demonstrate successful closure. A policy screenshot alone is not enough when the finding concerns coverage or sustained operation.

Access and boundaries

A readiness review does not promise that all AI outputs are safe or certify all agents. Feature availability and licensing require confirmation.

We agree evidence access before work begins. Your team can lead supervised sessions and provide approved, minimised exports. The assessment does not require you to send passwords, grant access through this website or permit production changes. See access and data handling.

Prepare your audit request

Use the Microsoft 365 Audit Planner for a licence-aware starting scope, or the detailed scoping assistant. Review the brief and send it with your enquiry. You can attach your NDA or RFP in the contact form.