What is Copilot governance?
Definition. Copilot governance is the set of controls, policies and evidence that keep Microsoft 365 Copilot safe, compliant and auditable across identity, data, prompts and outputs. It defines who can use Copilot, on what data, under which conditions and how usage is monitored.
Key points
- Scope: Microsoft 365 Copilot, Copilot for Sales, Copilot for Service and other first-party Copilots that use Microsoft Graph.
- Core controls: identity and access, sensitivity labels, Data Loss Prevention, SharePoint permissions hygiene, retention and audit.
- Purpose: prevent oversharing, protect regulated data and give the business defensible evidence of what Copilot did and why.
- Owners: security, information governance, data protection and the platform team share responsibility. It is not an IT-only concern.
- Outputs: a policy set, technical baselines in Microsoft Purview and Entra, monitored KPIs and a repeatable review cadence.
What Copilot governance covers
Copilot inherits the permissions of the signed-in user. Governance closes the gap between what a user technically can see and what the organisation intends them to see when Copilot summarises, drafts or answers.
How to implement Copilot governance
Most organisations do this in three moves. Assess the environment before rollout, apply the technical baseline in Purview and Entra, then move to steady-state monitoring with a defined review cadence.
Common mistakes
Treating Copilot governance as a one-off project. Relying on user training alone. Skipping SharePoint permissions review. Forgetting to define what evidence a regulator or an internal auditor should be able to see.
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