M365 Archive

Microsoft Defender XDR

Message Center and Roadmap announcements for this Microsoft 365 service.

MessageActions
MC1279093Major
Microsoft Defender for Office 365: Enhancing how we handle promotional mail
Apr 13, 2026|Microsoft Defender XDR
MC1330888Major
Upcoming change to Microsoft Defender for Endpoint Advanced Hunting: removal of SMB signature data
Jun 1, 2026|Microsoft Defender XDR
MC1411577MajorAction by Sep 1, 2026
Microsoft Defender: Automated investigation and response (AIR) integrated into antivirus with manual triggering removed
Jul 1, 2026|Microsoft Defender XDR
MC1402307
Microsoft Defender for Cloud Apps: Improvements to threat protection capabilities
Jun 23, 2026|Microsoft Defender XDR
MC1304290Major
2026 Microsoft 365 Packaging Update
May 8, 2026|Exchange Online
MC1392568MajorAction by Oct 31, 2026
Microsoft Defender for Endpoint: Support for Amazon Linux 2 (ARM64) retiring October 31, 2026
Jun 15, 2026|Microsoft Defender XDR
MC1388718
Microsoft Defender for Endpoint: Update to Linux connectivity requirements with new service URLs to allowlist
Jun 12, 2026|Microsoft Defender XDR
MC1387578
Microsoft Defender for Office 365: Localized default mark and notify email template
Jun 11, 2026|Microsoft Defender XDR
MC1358832
Microsoft Secure Score: New recommendation to reduce inbound internet exposure
Jun 4, 2026|Microsoft Defender XDR
MC1381122Major
Microsoft Defender XDR: Retirement of in-app OS update notifications in Defender for Endpoint (iOS)
Jun 5, 2026|Microsoft Defender XDR
MC1381119
Microsoft Defender for Endpoint security updates move to Microsoft Update on Windows
Jun 5, 2026|Microsoft Defender XDR
MC1324285
Microsoft Defender XDR: Password protection account action buttons
May 27, 2026|Microsoft Defender XDR
MC1323263
Microsoft Defender for Office 365: ZAP expands cleanup to Deleted Items
May 26, 2026|Exchange Online
MC1261596
Notice: Security Copilot will be included as part of your Microsoft 365 E5 plan soon
Mar 25, 2026|Microsoft Entra
MC1255406Major
Microsoft Purview | Data Security Triage Agent Summaries for DLP Alerts in Microsoft Defender XDR
Mar 18, 2026|Microsoft Defender XDR
MC1220762MajorAction by Jan 31, 2027
Retirement notice: MDE and XDR Advanced Hunting APIs retiring; migrate to Microsoft Graph Security API
Jan 22, 2026|Microsoft Defender XDR
MC1192257MajorAction by Aug 1, 2026
Microsoft Defender Threat Intelligence: Convergence with Microsoft Defender and Microsoft Sentinel
Dec 5, 2025|Microsoft Defender XDR
MC1183015Action by Jul 1, 2026
Fix/Update Microsoft Sentinel Account Entity Naming to avoid inconsistent account identification in incidents and alerts
Nov 5, 2025|Microsoft Defender XDR
MC992217
Microsoft Defender: Changes to Defender for Cloud Apps alerts
Jan 30, 2025|Microsoft Defender XDR
MC719648Archived
Microsoft Defender for Endpoint: Major change to Endpoint Attack Notifications
Feb 27, 2024|Microsoft Defender XDR
MC719660Archived
Microsoft Defender for Office 365: Copy simulation action in Attack simulation training
Feb 27, 2024|Microsoft Defender XDR
MC718246Archived
Defender for Office 365: Block Sender in Quarantine notification will require signing in to security portal
Feb 21, 2024|Exchange Online
MC718264Archived
Updated Alerts and Incidents tab in the Microsoft Defender XDR services Identity page
Feb 22, 2024|Microsoft Defender XDR
MC732103Archived
Microsoft Defender Antivirus: Changes to "engine update" support plans
Mar 11, 2024|Microsoft Defender XDR
MC722587Archived
Microsoft Secure Score: Removing a recommendation from Microsoft Defender for Identity
Mar 2, 2024|Microsoft Defender XDR
MC724832Archived
Microsoft Defender for Office 365: User submission automatic feedback response
Mar 5, 2024|Microsoft Defender XDR
MC711335Archived
Microsoft Defender for Office 365: Quarantine End User Allow and Block list management
Jan 30, 2024|Exchange Online
MC711337Archived
Microsoft Defender XDR for Office 365: Streamlined false positive submissions for quarantined files
Jan 30, 2024|Microsoft Defender XDR
MC711666Archived
Public preview announcement – support all Microsoft Defender for Cloud Apps users by Microsoft Defender XDR portal
Feb 1, 2024|Microsoft Defender XDR
MC716388Archived
Microsoft Defender XDR: Offboarding scripts now expire in 3 days
Feb 16, 2024|Microsoft Defender XDR
MC788953Archived
Microsoft Defender for Office 365: New added feature called the Take action wizard in Threat Explorer.
Apr 29, 2024|Microsoft Defender XDR
MC783216ArchivedMajor
"Investigation priority score increase" Policy to be retired
Apr 22, 2024|Microsoft Defender XDR
MC783218ArchivedMajor
Cloud Discovery anomaly detection policy to be retired
Apr 22, 2024|Microsoft Defender XDR
MC787370Archived
Advanced Hunting Permissions update for some Microsoft Defender for Office 365 security admins
Apr 26, 2024|Microsoft Defender XDR
MC790242Archived
Microsoft Defender for Office 365: Reported mailbox notifications messages subject change
May 4, 2024|Exchange Online
MC744113Archived
Microsoft Defender for Office 365: New Quarantine release details
Mar 18, 2024|Exchange Online
MC764457Archived
Microsoft Defender for Endpoint: Support continues after Log Analytics Agent retires on August 31, 2024
Apr 1, 2024|Microsoft Defender XDR
MC765801Archived
Microsoft Defender for Microsoft Office 365: enhanced clarity in submission results
Apr 2, 2024|Exchange Online
MC765804Archived
Microsoft Defender for Office 365: Adding last used dates to Tenant Allow/Block Lists
Apr 2, 2024|Exchange Online
MC1293483Archived
Microsoft Secure Score: New recommendation for Secure Boot 2023 certificate readiness in Microsoft Defender for Endpoint
Apr 27, 2026|Microsoft Defender XDR
MC697804Archived
Adding new consolidated infra IPs to the portal access and SIEM agent connection sections
Dec 13, 2023|Microsoft Defender XDR
MC698130ArchivedMajor
Threat Protection report page retirement
Dec 14, 2023|Microsoft Defender XDR
MC696850Archived
Microsoft Defender for Office 365 enable admins to provide intent while submitting
Dec 8, 2023|Exchange Online
MC697411Archived
Force redirection from Microsoft Defender for Cloud Apps to Microsoft Defender XDR public preview announcement
Dec 12, 2023|Microsoft Defender XDR
MC707656ArchivedMajor
Configuration Change - Microsoft Defender for Cloud Apps
Jan 17, 2024|Microsoft Defender XDR
MC708505Archived
Unified RBAC provides centralized role-based administration controls for Microsoft Defender for Office 365
Jan 20, 2024|Microsoft Defender XDR
MC685930Archived
Microsoft Secure Score - New Microsoft Defender for Identity recommendations
Oct 30, 2023|Microsoft Defender XDR
MC687846Archived
New Microsoft Defender Antivirus services on Windows Devices
Nov 7, 2023|Microsoft Defender XDR
MC681893Archived
Microsoft Secure Score - Changes in SSPM support
Oct 16, 2023|Microsoft Defender XDR
MC690173ArchivedMajor
Microsoft to stop honoring mail flow rules tracking user reporting
Nov 15, 2023|Exchange Online
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