Microsoft Teams

Teams – You can now delegate your security team to manage Teams blocked domain

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If you are using M365 services, you most likely are using Microsoft Teams too. Microsoft Teams allows end-users to communicate/collaborate with external users from other tenant. While external collaboration/access to Teams is by default widely open, this can raise security concern due to raising fake/rogue tenant. Teams administrators can manage communication with external users by […]

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Teams – New security options available in Teams to protect against phishing attacks

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Microsoft is rolling out a new security feature to protect Teams users against phishing attacks by scanning URLs (see Malicious URL protection in Microsoft Teams – Microsoft Teams | Microsoft Learn) and files (see Weaponizable file protection in Microsoft Teams – Microsoft Teams | Microsoft Learn) shared in chats and channels. This is available for

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Teams – New authentication requirements for Teams PowerShell

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If you use an Entra ID application to authenticate against Teams when using PowerShell you need to update the permissions granted to the application. Starting September 15th, 2025, authenticating with Entra ID application when using PowerShell will require the following additional permissions: GroupMember.Read.All RoleManagement.Read.Directory To update the permissions, connect to your Entra ID tenant (Microsoft

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Teams – You can now restrict bilateral chat with maximum 2 organizations

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Bilateral chat policy is a new type of policy for restricting external group chats in Microsoft Teams to maximum of two organizations. When enabled it will prohibit users from adding external users from more than 2 organizations to external group chats. It applies to all Teams client – for Windows, MacOS, Android and iOS. It

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Teams – You will (finally) be able to share files in external 1:1 or group chats

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This has been a long awaited capability and painful user experience. As you know, it has been impossible to share files in external chats as shared files are saved in user’s OneDrive. Well, starting early July (targeted release tenant – aka preview) and mid July, you will now be able to share files in external

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Teams – New Teams administration role – reader

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This has been a long awaited new administration role: Teams Reader. If you are managing Microsoft Teams, you already know you have various administration roles (6) allowing you delegating some aspect of Teams administration. Unfortunately, until now there was no way to grant a reader access to your Teams tenant. Well, good news as the

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Teams – You can now disable sending messages to chat before and after a meeting

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If you use Microsoft Teams, you know that you send messages to a Teams meeting before, during and after the meeting. Well, to help avoiding potential data leak from Teams meeting chats, a new policy is now available to disable ability to send chat messages to Teams meeting before and after this meeting for specific

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Teams – Allow communication with specified trial tenant

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As introduced few month ago, Microsoft has deployed a settings to block (default) communication with trial Teams tenants (which include Visual Studio ones) (see Teams – You can now block federation with trial tenants). It was first only configurable using PowerShell and now is also available from the Teams administration portal (Users\External access blade) Well,

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Teams – You can now block individual people from communicating with your organization

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Teams is a powerful collaboration tool allowing collaboration and communication within your organization and external one. Teams administrators can control which external organization can communicate with yours. Until then there was no way to block specific individual(s) to communicate with your organization. Well, good news as now Teams administrators can enable a functionality which will

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Teams – You now have more granularity for ‘mark as read’

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As you know, you have the option to mark ‘as read’ all chat messages. Well, you now have a more granular option to ‘mark as read’ messages by choosing between All, chats or channels. This allows you to choose to mark as read specific message types while keeping others as unread – such as mark

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