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Copilot Exposes SharePoint Oversharing: Fix Permissions First
Brennan assessed a professional services firm, and iTnews reported the case on October 14, 2026: a strong Microsoft 365 platform, but weak data governance. Copilot respects existing permissions and creates no new gaps, yet a single plain-language question can surface files shared far too widely. The permissions and audit log review has to be finished before licenses are switched on.
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