SMEIT.sg
All resources
Microsoft 3653 min read

Microsoft 365 Security Checklist for SMEs

Microsoft 365 is business-critical for most SMEs — and most incidents come from poor configuration, not platform weakness. Here is a governance checklist to keep it secure.

Microsoft 365 is a critical platform for many SMEs and should be secured appropriately.

Recommended actions

  • Enable multi-factor authentication.
  • Review administrator accounts.
  • Configure Conditional Access where available.
  • Enable mailbox protection and anti-phishing controls.
  • Review external sharing settings.
  • Implement device management.
  • Review audit and monitoring capabilities.
  • Establish joiner, mover and leaver processes.
  • Conduct periodic access reviews.
  • Validate backup and recovery requirements.

Many security incidents result from poor configuration rather than platform weaknesses. Regular reviews help ensure settings remain aligned with business requirements.

A documented Microsoft 365 governance approach improves security, compliance and operational efficiency while reducing business risk.

Ready to get started?

Contact SMEIT.sg for an independent IT audit and practical recommendations tailored to your business.

Prefer email? Reach us at Enquiry@smeit.sg