Guide / Microsoft 365 Security

5 Common Microsoft 365 Security Mistakes

Most Microsoft 365 security problems start with basic settings that were never reviewed after the tenant was created.

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Five common mistakes

Small organizations should review these areas before adding more complicated tools.

  • MFA is not enforced for every user
  • Too many accounts have administrator roles
  • External sharing is not documented
  • Former users still have access
  • Laptops are not encrypted or managed

First step

A focused Microsoft 365 review can identify the highest-risk settings and create a practical cleanup plan.