Secure guest access in Azure AD (Microsoft Entra id)
March 3, 2026
How to collaborate without creating a shadow tenant
Guest access in Azure AD (now Microsoft Entra ID) is one of those features that looks simple on the surface: invite someone, they show up in your directory, and they can access Teams, SharePoint, and apps. The security reality is harsher.
A guest is an identity you don’t fully control, operating inside a tenant boundary you do control. That…