check before: 2025-11-10
Product:
Defender, Defender XDR, Microsoft 365 Defender
Platform:
Online, World tenant
Status:
Change type:
Feature update, User impact, Admin impact
Links:
Details:
Summary:
Microsoft Defender for O365 now allows triggering new remediation actions—Submit to Microsoft, add to allow/block list, and initiate automated investigation—directly from the Advanced Hunting interface. This feature, rolled out since November 10, 2025, is enabled by default and supports improved threat response without policy changes.
Details:
[Introduction:]
This update introduces new remediation actions in Microsoft Defender for O365 that can be triggered directly from the Advanced Hunting interface. These actions-previously only available in Threat Explorer-include "Submit to Microsoft" and "Initiate automated investigation." This enhancement enables security teams to respond to threats more efficiently and programmatically using custom queries, aligning with customer feedback to streamline incident response workflows.
[When this will happen:]
General Availability (Worldwide): We began rolling out this feature on November 10, 2025.
Change Category:
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Scope:
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Release Phase:
Created:
2025-11-12
updated:
2025-11-12
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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summary for non-techies**
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Direct effects for Operations**
New Remediation Actions in Advanced Hunting
The introduction of new remediation actions may lead to confusion among users if they are not adequately trained or informed about the changes, potentially resulting in improper use of the new features.
- roles: Admins, Security Analysts
- references: https://learn.microsoft.com/defender-xdr/advanced-hunting-take-action
Increased Complexity in Incident Response
The availability of new actions without proper preparation may complicate existing incident response workflows, leading to delays in threat mitigation and increased risk of security incidents.
- roles: Admins, Security Analysts
- references: https://learn.microsoft.com/defender-xdr/advanced-hunting-take-action
Configutation Options**
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IT Security**
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explanation for non-techies**
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Last updated 3 weeks ago ago
