Microsoft Defender for Endpoint Plan 1
Part of Defender for Endpoint — Plan 1
Defender for Endpoint Included in 13 licenses
Microsoft 365 E3 Office 365 E3's productivity core plus Windows, Intune device management, and Entra ID — the standard Microsoft 365 Enterprise plan; no seat cap.
Microsoft Defender for Endpoint P1 Baseline endpoint protection — next-gen antivirus and attack surface reduction — without Plan 2's detection-and-response investigation tools.