Before you deploy Copilot, your Microsoft 365 tenant needs to be in a defensible state. Loose permissions, unclassified data, and weak baseline security mean Copilot will surface things it shouldn’t, confidently and at scale.

This series walks through the four things every business should sort out before rolling out Microsoft 365 Copilot: tenant security, permissions hygiene, data classification, and the final pre-Copilot readiness checklist.