Microsoft 365

Microsoft 365 Security Readiness Checklist

A structured review of identity, email protection, sharing, devices, and administrative controls.

A structured review of identity, email protection, sharing, devices, and administrative controls.

Identity and access

Review MFA coverage, conditional access, privileged roles, service accounts, stale accounts, and emergency access.

Email security

Validate anti-phishing, Safe Links, Safe Attachments, spoof intelligence, mail flow, and incident response procedures.

Collaboration security

Review external sharing, anonymous links, guest lifecycle, Teams ownership, and SharePoint permissions.

Endpoint and device controls

Confirm device compliance, endpoint protection, data controls, and secure access from unmanaged devices.

Administrative governance

Use least privilege, role separation, change tracking, alerting, and documented operational ownership.

Apply This Guidance

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