External sharing is powerful and easy to get wrong. “Anyone with the link” is convenient for marketing PDFs and dangerous for financial workbooks.
Practical defaults
- Prefer organization-only or specific-people links for sensitive libraries
- Set expiration on external links when business allows
- Review sharing reports periodically
- Train staff on when external sharing is appropriate
Want this applied in your tenant?
Book a free 15-minute review. We can walk your Microsoft 365 and identity posture and recommend a sensible next step—including ImpetraInsights™ when a formal baseline helps.