We recently announced at Ignite that ‘Microsoft 365 Defender’ has been rebranded as ‘Microsoft Defender XDR’. As a continuation of that announcement, the service listings on Service health and Message center will also be rebranded. In the month of December, the service titled ‘Microsoft 365 Defender’ will be renamed to ‘Microsoft Defender XDR’. 

[When this will happen:]

This will be rolled out to Service health and Message center by end of December 2023.

[How this will affect your organization:]

Communications related to “Microsoft 365 Copilot” and its family of products may appear under “Microsoft Copilot for Microsoft 365” in Service health and Message center.

[What you need to do to prepare:]

You might consider updating your administrator training and documentation as needed.