Principal Problems: App Registrations, Service Principals, and the Hidden Risk of Multi-Tenant Apps
SpecterOps dissects how Entra ID app registrations vs. service principals create hidden cross-tenant risk—illustrated by the ConnectWise Cloud Backup credential compromise.
Summary written by editorial AI · Source link below
TL;DR: App registrations are an app’s blueprint and hold its credentials in one home tenant. Service principals (what you see under Enterprise applications) are the identities that hold permissions in every tenant that uses the app, which is why one stolen credential in the ConnectWise Cloud Backup incident reached 100+ tenants. What are we talking […] The post Principal Problems: App Registrations, Service Principals, and the Hidden Risk of Multi-Tenant Apps appeared first on SpecterOps .
Editorial Analysis
Many European enterprises use multi-tenant SaaS apps without fully understanding that one stolen credential in the home tenant can cascade into every consenting tenant, making consent hygiene a board-level risk.
Inventory all multi-tenant Enterprise Applications in your Entra ID, revoke stale consents, and enforce conditional-access policies on service principals.
A single compromised credential in a multi-tenant cloud app can give attackers access across every tenant that consented to it—review your Entra ID consents.
Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.
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