Microsoft Defender XDR
Architecture and deployment

Pilot and deploy Defender for Office 365

In brief

The article now refers to “Microsoft Defender” instead of “Microsoft Defender XDR” in its introduction, headings, deployment table, signal-sharing description, and next-step section.

What Defender admins need to know

Administrators following the workflow will see the updated Microsoft Defender terminology; no action is specified.

Summaries are generated from the documentation change itself.

Documentation change

The comparison below shows only the changed extract. Use the full-page view for complete context.

Pilot and deploy Defender for Office 365

This article provides a workflow for piloting and deploying Microsoft Defender for Office 365 in your organization. You can use these recommendations to onboard Microsoft Defender for Office 365 as an individual cybersecurity tool or as part of an end-to-end solution with Microsoft Defender XDR.Defender.

This article assumes you have a production Microsoft 365 tenant and are piloting and deploying Microsoft Defender for Office 365 in this environment. This practice will maintain any settings and customizations you configure during your pilot for your full deployment.

End-to-end deployment for Microsoft Defender XDR

This is article 3 of 6 in a series to help you deploy the components of Microsoft Defender XDR, including investigating and responding to incidents.

Phase Link
A. Start the pilot Start the pilot
B. Pilot and deploy Microsoft Defender XDR components - Pilot and deploy Defender for Identity

- Pilot and deploy Defender for Office 365 (this article)

- Pilot and deploy Defender for Endpoint

- Pilot and deploy Microsoft Defender for Cloud Apps
C. Investigate and respond to threats Practice incident investigation and response

Pilot and deploy workflow for Defender for Office 365

| 4 |A message that isn't malicious, blocked, or quarantined is processed and delivered to the recipient in EXO where user preferences related to junk mail, mailbox rules, or other settings are evaluated and triggered. | | 5 | Integration with on-premises Active Directory can be enabled using Microsoft Entra Connect to synchronize and provision mail-enabled objects and accounts to Microsoft Entra ID and ultimately Exchange Online. | | 6 | When integrating an on-premises environment, it's best to use an Exchange server for supported management and administration of mail-related attributes, settings, and configurations. | | 7 | Microsoft Defender for Office 365 shares signals to Microsoft Defender XDR for extended detection and response (XDR). |

On-premises integration is common but optional. If your environment is cloud-only, this guidance also works for you.

Incorporate the information in Microsoft Defender for Office 365 Security Operations Guide into your SecOps processes.

Next step for the end-to-end deployment of Microsoft Defender XDR

Continue your end-to-end deployment of Microsoft Defender XDR with Pilot and deploy Defender for Endpoint.