Microsoft Defender XDR (formerly Microsoft 365 Defender)
Licensing Reference
Licensing reference materials are continuously updated, highly-detailed entries covering Microsoft licensing terms, procedures, practices and timelines.
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Product Reference
Product reference materials are clear, concise definitions and descriptions of Microsoft's ever-growing catalog of products and services.
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Microsoft Defender XDR (formerly Microsoft 365 Defender) Analyst Reports
All Microsoft Defender XDR (formerly Microsoft 365 Defender) Reports
Sentinel Integrated into Defender XDR
July 27, 2025
Microsoft’s Sentinel Security Information and Event Management (SIEM) has been integrated into Microsoft Defender XDR....more
Security Copilot: Expanding and Expensive
Updated: May 24, 2025
Security Copilot can help admins using Microsoft 365 management tools to perform security-related tasks faster....more
Demystifying Microsoft’s Copilots
Updated: March 7, 2025
Copilot-branded technologies from Microsoft assist users in completing tasks, but Microsoft overstates ROI. Almost all...more
Cloud is at the Core of Microsoft Defender Services
Updated: January 28, 2025
Microsoft Defender services are not useful for customers who cannot connect to Microsoft’s cloud. For...more
Microsoft 365 E5 Security Suite: Is It Still Worth Buying?
Updated: October 17, 2024
The security services included in the Microsoft 365 E5 Security suite were originally licensed stand-alone,...more
Microsoft Defender XDR: The Collected Services
Updated: September 4, 2024
Microsoft Defender XDR is a family of freestanding, paid services for securing data, devices, and...more
Multi-Tenant Security Using Microsoft Defender XDR
Updated: March 11, 2024
Microsoft Defender XDR helps security teams monitor and analyze Microsoft 365 services, including across tenancies....more
Token Theft Playbook Could Help Address Increasing Attacks
Updated: August 19, 2023
Token theft attacks are on the rise, but this resource could help customers learn about...more
Microsoft Threat Protection On By Default
Updated: March 14, 2022
The new Microsoft Threat Protection console will be on by default starting June 1, 2020....more
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Mary Jo Foley