MC392295 – Disable chat write access for anonymous or unauthenticated users

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check before: 2022-06-29

Product:

Teams

Platform:

Mac, US Instances, Web, Windows Desktop, World tenant

Status:

Rolling out

Change type:

New feature, User impact

Links:

91142

Details:

Financial institutions consider chat messages as a form of data exfiltration, so it's imperative for IT admins to gain flexibility and control over chat access for anonymous or unauthenticated users. The latter may be expected to join Teams meetings, but they should be restricted from seeing and accessing any type of electronic communication on chat. This feature provides additional security by only disabling chat write access for non-federated users and unauthenticated users who join Teams meetings through a link, so it must be used in conjunction with disabled meeting chat policy applied to financial advisors to remain compliant.
This message is associated with Microsoft 365 Roadmap ID 91142

[When this will happen:]

Standard: early June through mid-July

GCC: late July through mid-August
GCC High: late August through early September
DoD: mid-September through late September

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:
General Availability

Created:
2022-06-15

updated:
2022-06-15

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