When "Secure by Design" Isn't Enough: A Blind Spot in Power Platform Security Access Controls
Security Groups play a pivotal role in tenant governance across platforms like Entra, Power Platform, and SharePoint. They allow administrators to control access, enforce identity-aware security, and prevent unauthorized interactions. However, we’ve identified a security group bypass risk: Application Users (App Users) - Service Principal identities from Entra - can slip past Security Group restrictions, creating misaligned identity assumptions and enabling unauthorized data access.