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365Fanatic / Product updates / Defender XDR
Microsoft Defender XDR

Built-in alert tuning rules are now generally available

Generally available April 2026
SummaryDetailedTimelineProduct updatesThis weekMC SummaryMC DetailedPnP Search

What else is coming for Defender XDR?

Roadmap: Defender XDR →Message Center: Defender XDR →

Built-in alert tuning rules are now generally available. Built-in alert tuning rules suppress alerts from common benign activity in Defender for Endpoint and Defender for Office 365 without affecting Automated Investigation and Response (AIR) investigations and email notifications.

Terms in this update

  • Microsoft Defender for EndpointMicrosoft Defender for Endpoint secures workstations and servers. It combines antivirus, endpoint detection and response (EDR), attack surface…
  • Microsoft Defender for Office 365Microsoft Defender for Office 365 extends Exchange Online Protection with advanced protection for email and collaboration. It adds…
View at Microsoft ↗ All Defender XDR updates

This is in the weekly digest for week 40 · What changed this week? →

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Product
Microsoft Defender XDR
Status
Generally available
Released
April 2026

Where to find it

Microsoft Defender portal ↗

Microsoft documentation

  • Built-in alert tuning rules ↗learn.microsoft.com

Timeline

  1. April 2026Listed by Microsoft

More Defender XDR updates

Generally availableSeptember 2026 Identity Security dashboard and Coverage & Maturity PreviewSeptember 2026 Integrated Security Operations Center (ISOC) in Microsoft Defender PreviewJuly 2026 AI agent posture risk in Microsoft Defender Generally availableJuly 2026 Real-time protection for Microsoft Agent 365 tooling servers Generally availableJuly 2026 The Domain investigation page allows you to investigate an Active Directory domain PreviewJuly 2026 Threat detection for Microsoft Agent 365 agents

Text by Microsoft, from Microsoft's documentation. Features and dates may change. Terms and the timeline are added by 365Fanatic.

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