Ethical Wall Enforcement
Please add the ability to enforce ethical walls within chats. It does not need to be anything fancy to begin with. A simple "member of group a" can not communicate to "member of group b". Similar to how you can setup ethical walls with Exchange Transport rules. This is a must in certain business and is the only thing blocking a rollout on Teams.
You may consider using the following solution of SphereShield:
Sharon Bacon commented
fyi, found this article today for Information Barriers in Teams - this is MS's term and option for Ethical Wall.
S. A Baker commented
Use case: We allow contractors/'guests' in our system, and we would want to put guests in a group that would restrict their ability to communicate to those groups they are contracted with and not be able to communicate with other staff at large.