MicrosoftAlexanderKohn, https://docs.microsoft.com/en-us/microsoft-365/compliance/information-barriers?view=o365-worldwide#required-licenses-and-permissions does indeed seem to indicate that Information Barriers (IB) are:
included in subscriptions, such as:
- Microsoft 365 E5/A5
- Office 365 E5/A5
- Office 365 Advanced Compliance
- Microsoft 365 Compliance E5/A5
- Microsoft 365 Insider Risk Management
For more information, see https://docs.microsoft.com/en-us/office365/servicedescriptions/microsoft-365-service-descriptions/microsoft-365-tenantlevel-services-licensing-guidance/microsoft-365-security-compliance-licensing-guidance#information-protection.
