557549 – Microsoft Defender for Office 365: Introducing a new URL click alert in Teams via Microsoft Defender for Office 365

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check before: 2026-03-01

Product:

Defender, Defender for Office 365, Teams

Platform:

Android, iOS, Mac, Web, Windows Desktop, World tenant

Status:

In development

Change type:

Links:

Details:

We are introducing a new URL click alert that proactively notifies security teams when a user clicks on a malicious link in Teams, helping organizations quickly identify risk and respond before further impact occurs.

Change Category:
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Scope:
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Release Phase:
General Availability, Preview

Created:
2026-02-25

updated:
2026-02-25

Public Preview Start Date

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Docu to Check

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MS workload name

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summary for non-techies**

Microsoft is introducing a new feature in Defender for Office 365 that alerts security teams when a user clicks on a malicious link in Teams, providing coverage across Android, iOS, Mac, and Windows platforms.

Direct effects for Operations**

Increased Security Alerts
The introduction of a new URL click alert may lead to an influx of security notifications, overwhelming the security team and potentially causing delays in response times to genuine threats.
   - roles: Security Analyst, IT Support
   - references: https://techcommunity.microsoft.com/t5/security-compliance-identity/microsoft-defender-for-office-365-introducing-a-new-url-click/ba-p/3741230

User Experience Disruption
Users may experience interruptions or confusion due to frequent alerts or notifications regarding malicious links, leading to decreased productivity and trust in the platform.
   - roles: End User, Team Leader
   - references: https://techcommunity.microsoft.com/t5/security-compliance-identity/microsoft-defender-for-office-365-introducing-a-new-url-click/ba-p/3741230

Configutation Options**

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IT Security**

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explanation for non-techies**

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** AI generated content. This information must be reviewed before use.

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