check before: 2024-10-01

Product:

Teams

Platform:

Mac, Online, Windows Desktop, World tenant

Status:

Launched

Change type:

New feature, User impact, Admin impact

Links:

421190

Details:

Summary:
Microsoft Teams is introducing a new security feature to alert users of potential brand impersonation in Teams Chat, particularly during initial contact from external domains. This feature will be automatically enabled, with rollout phases starting late October 2024 for Targeted Release and mid-November 2024 for General Availability. No admin configuration is needed, and users will be prompted with high-risk warnings when impersonation is detected.

Details:
Coming soon to Microsoft Teams: A new feature to enhance the security in external collaboration. If your company allows external domains to contact your users in Teams, we will identify if an external user is impersonating a brand commonly targeted by phishing attacks during their initial contact with your user through Teams Chat. If we detect potential impersonation, we will show a high-risk alert to the user, notifying them to check for suspicious name/email and proceed with caution.
This message is associated with Microsoft 365 Roadmap ID 421190.
[When this will happen:]
Targeted Release: We will begin rolling out late October 2024 and expect to complete by late October 2024.
General Availability (Worldwide): We will begin rolling out mid-November 2024 and expect to complete by mid-November 2024.

Change Category:
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Scope:
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Release Phase:
Standard Release, Targeted Release

Created:
2024-10-15

updated:
2024-11-06

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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MS workload name

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linked item details

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Pictures

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summary for non-techies**

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Direct effects for Operations**

User Confusion and Frustration
Users may be confused by the new high-risk warning alerts, leading to frustration and potential delays in communication as they learn to navigate the new Accept/Block flow.
   - roles: End Users, Support Staff
   - references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=421190

Increased Support Requests
The introduction of the new security feature may lead to an increase in support requests from users who are unsure about the implications of the high-risk alerts and how to respond to them.
   - roles: Support Staff, IT Administrators
   - references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=421190

Potential Delays in External Communication
Users may hesitate to accept messages from external domains due to the new alerts, potentially delaying important communications and collaborations with external partners.
   - roles: End Users, Project Managers
   - references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=421190

Configutation Options**

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Opportunities**

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Potentional Risks**

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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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change history

DatePropertyoldnew
2024-11-06MC Feature RingTargeted ReleaseStandard Release, Targeted Release
2024-11-06MC Feature StatusRolling outLaunched
2024-10-31MC Feature RingTargeted Release
2024-10-31MC Feature StatusScheduledRolling out

Last updated 4 days ago

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