*For this entry exists the more relevant or more recent entry MC1227625
check before: 2025-04-01
Product:
Defender, Defender for Office 365, Microsoft 365 admin center, Teams, Windows
Platform:
Mac, Online, Web, Windows Desktop, World tenant
Status:
Launched
Change type:
Admin impact, New feature, Updated message, User impact
Details:
Summary:
Microsoft Teams will soon allow users to report security concerns involving external collaborators in chats and meetings, excluding shared channels. Admins can enable this feature, which will be available by default. The rollout starts in May 2025 for targeted release and July 2025 for general availability.
Details:
Updated June 5, 2025: We have updated the timeline below. Thank you for your patience.
Coming soon: Microsoft Teams users will be able to report security risks and concerns with external users outside your organization in one-on-one chats, group chats, and meeting chats. Note: Shared channels are not supported at this time. As an admin, this feature will be available for you to enable it.
This message is associated with Microsoft 365 Roadmap ID 481147.
This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web.
[When this will happen:]
Targeted Release: We will begin rolling out early May 2025 and expect to complete by mid-May 2025.
General Availability (Worldwide): We will begin rolling out mid-July 2025 and expect to complete by late July 2025.
Change Category:
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Scope:
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Release Phase:
General Availability, Targeted Release
Created:
2025-03-21
updated:
2025-06-06
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**
Microsoft Teams is introducing a feature that allows users to report security concerns with messages from external collaborators, available on Windows, Mac, and the web, rolling out in stages starting May 2025, with full availability by July 2025, and can be managed by admins in the Teams admin center.
Direct effects for Operations**
User Reporting of Security Concerns
Users may be unprepared to utilize the new reporting feature effectively, leading to potential delays in addressing security risks from external collaborators.
- roles: End Users, IT Support
- references: https://learn.microsoft.com/defender-office-365/submissions-teams, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=481147
Admin Configuration and User Awareness
Admins may not have adequate time to configure the new settings or inform users about the feature, resulting in underutilization and increased security vulnerabilities.
- roles: IT Administrators, Compliance Officers
- references: https://learn.microsoft.com/defender-office-365/submissions-teams, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=481147
Configutation Options**
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Data Protection**
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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
| Date | Property | old | new |
| 2025-06-06 | MC Messages | Updated March 31, 2025: We have updated the rollout timeline below. Thank you for your patience.
Coming soon: Microsoft Teams users will be able to report security risks and concerns with external users outside your organization in one-on-one chats, group chats, and meeting chats. Note: Shared channels are not supported at this time. As an admin, this feature will be available for you to enable it. This message is associated with Microsoft 365 Roadmap ID 481147. This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web. [When this will happen:] Targeted Release: We will begin rolling out early May 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out mid-May 2025 and expect to complete by late May 2025. | Updated June 5, 2025: We have updated the timeline below. Thank you for your patience.
Coming soon: Microsoft Teams users will be able to report security risks and concerns with external users outside your organization in one-on-one chats, group chats, and meeting chats. Note: Shared channels are not supported at this time. As an admin, this feature will be available for you to enable it. This message is associated with Microsoft 365 Roadmap ID 481147. This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web. [When this will happen:] Targeted Release: We will begin rolling out early May 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out mid-July 2025 and expect to complete by late July 2025. |
| 2025-06-06 | MC Last Updated | 03/31/2025 15:48:04 | 2025-06-05T21:02:53Z |
| 2025-06-06 | MC Summary | Microsoft Teams will soon allow users to report security concerns involving external collaborators in chats and meetings, excluding shared channels. The rollout starts in May 2025 and will be available for admins to enable. Admins should review and enable this feature in the Teams admin center. | Microsoft Teams will soon allow users to report security concerns involving external collaborators in chats and meetings, excluding shared channels. Admins can enable this feature, which will be available by default. The rollout starts in May 2025 for targeted release and July 2025 for general availability. |
| 2025-03-31 | MC Messages | Coming soon: Microsoft Teams users will be able to report security risks and concerns with external users outside your organization in one-on-one chats, group chats, and meeting chats. Note: Shared channels are not supported at this time. As an admin, this feature will be available for you to enable it.
This message is associated with Microsoft 365 Roadmap ID 481147. This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web. [When this will happen:] Targeted Release: We will begin rolling out early April 2025 and expect to complete by mid-April 2025. General Availability (Worldwide): We will begin rolling out early May 2025 and expect to complete by mid-May 2025. | Updated March 31, 2025: We have updated the rollout timeline below. Thank you for your patience.
Coming soon: Microsoft Teams users will be able to report security risks and concerns with external users outside your organization in one-on-one chats, group chats, and meeting chats. Note: Shared channels are not supported at this time. As an admin, this feature will be available for you to enable it. This message is associated with Microsoft 365 Roadmap ID 481147. This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web. [When this will happen:] Targeted Release: We will begin rolling out early May 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out mid-May 2025 and expect to complete by late May 2025. |
| 2025-03-31 | MC Title | Microsoft Teams: Users can report security concerns involving external collaborators | (Updated) Microsoft Teams: Users can report security concerns involving external collaborators |
| 2025-03-31 | MC Last Updated | 03/21/2025 00:01:15 | 2025-03-31T15:48:04Z |
| 2025-03-31 | MC MessageTagNames | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact |
| 2025-03-31 | MC Summary | Microsoft Teams users will soon be able to report security concerns involving external collaborators in chats and meetings, starting April 2025 for targeted release and May 2025 for general availability. Admins can enable this feature in the Teams admin center. Shared channels are not supported. | Microsoft Teams will soon allow users to report security concerns involving external collaborators in chats and meetings, excluding shared channels. The rollout starts in May 2025 and will be available for admins to enable. Admins should review and enable this feature in the Teams admin center. |
Last updated 2 weeks ago ago
