Definition
Microsoft Defender for Office 365 provides advanced protection for email and collaboration workloads beyond baseline Exchange Online Protection.
Why it matters for business
Microsoft’s advanced email and collaboration threat protection. Identity and Microsoft 365 decisions often turn on understanding this term clearly.
Example in an SMB context
A growing firm might encounter Defender for Office 365 while hardening Entra ID, reviewing Secure Score, or rolling out stronger MFA for administrators.
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.