Office 365 Information Barriers allow organizations to erect logical firewalls between different user communities to ensure that regulatory and legal requirements are met. Teams and Exchange Online support Information Barrier policies, which replace Address Book Policies. Some work is necessary to get Information Barriers set up. We cover that work in this article and prepare the ground for deploying the policies to Teams.
https://www.petri.com/controlling-communications-office365-information-barriers-part-1
