Copilot does not invent access. It makes existing access useful, searchable and fast. That is wonderful when your SharePoint estate is tidy, labeled and owned. It is awkward when a ten-year-old project site is still shared with everyone. This dojo helps you find the oversharing, put temporary brakes on the sharpest sites, build Purview guardrails, and widen the pilot only when the evidence says the data is ready.
Read this first - Copilot amplifies your permissions model
Microsoft 365 Copilot answers in the security context of the user. That is the right model, but it means every old SharePoint shortcut, broad group, anonymous link and forgotten owner matters more than it did yesterday.
- Start with the most-used sites. That is where value and risk overlap.
- Find sensitive oversharing before assigning broadly. Do not wait for a user to discover it with a prompt.
- Use interim controls while owners remediate. Restricted Content Discovery and DLP buy time; they do not replace access cleanup.
- Pilot the guardrails too. DLP that blocks the wrong prompts will be worked around.
- Monitor after launch. Copilot readiness becomes Copilot operations the moment users start asking real questions.
Full guidance: Configure a secure and governed foundation for Microsoft 365 Copilot
Size up your rollout
Five questions. This dojo adapts between planning, pilot and live tenants, and it treats Copilot licensing separately from the base Microsoft 365 licence.
Which licences do you have in the tenant? Select all that apply.
Where is Copilot today?
How is Microsoft 365 Copilot licensed?
Do you have SharePoint Advanced Management?
Microsoft's current guidance says SAM is included with Microsoft 365 Copilot licences.
Which Purview capability set do you have?
Walk out with a plan
Your readiness plan lists every in-scope control with status, MITRE references and Microsoft Learn source. The working document combines safe SharePoint and directory reads with commented portal and eDiscovery tasks.