Question

A financial services company uses Microsoft Teams extensively for internal collaboration. Compliance requires that credit card numbers shared in Teams chat and channel messages be blocked in real time before the recipient can view them, and that senders receive a policy tip explaining the violation. The security architect must design a solution using existing Microsoft Purview licensing. Which approach meets these requirements?

Accepted Answer

Create a Microsoft Purview DLP policy scoped to the Teams chat and channel messages location, using the Credit Card Number SIT with a policy tip and a block action

Answer

Apply a sensitivity label with encryption to all Teams channels so credit card content is automatically protected

Answer

Configure a Microsoft Purview communication compliance policy with a sensitive information type to detect and remediate credit card sharing

Answer

Deploy a Microsoft Purview DLP policy scoped to the Exchange email location, relying on the shared transport pipeline to inspect Teams messages