Microsoft Defender for Office 365

Microsoft Defender for Office 365 hosted services offer security filtering for e-mail and documents, licensed as two tiers but most often licensed together within a larger Microsoft 365 suite of services:

E-mail filtering to block more novel or targeted attacks than Exchange Online Protection (EOP) offers. It can also filter files in some Office 365 ProPlus applications and Microsoft-hosted services (Microsoft Defender for Office 365 P1).

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