Analysis
AI Assistant Security: Copilots and Your Data
First reported · Discovered shattered.io
Page published
Earliest dated coverage: 14 Oct 2026 · First observed: 16 Oct 2026 · Latest dated coverage: 14 Oct 2026
Coverage timeline
Single-source analysis — one report is available.
Why it matters
Microsoft Copilot can amplify existing data-governance weaknesses, making permission audits and chat-retention controls important safeguards for sensitive workplace information.
Shattered.io's analysis examines Microsoft Copilot data-exposure risks arising from overly broad Microsoft 365 permissions and retained assistant conversations. The article emphasizes that respecting existing user permissions does not prevent Copilot from surfacing sensitive information that was already overshared.