Topic starter
25/06/2026 1:05 am
TL;DR: Identity controls need repeatable attack-path validation, not just configuration review. EntraGoat is an open-source, deliberately vulnerable Entra ID lab built to let defenders practice privilege escalation, app ownership abuse, Graph API misuse, PIM chains, and certificate-based impersonation in a safe tenant, according to Semperis.
Editorial analysis by NHI Mgmt Group, based on content published by Semperis: “What Is EntraGoat? A Deliberately Vulnerable Entra ID Simulation Environment”.
Key questions
Q: What breaks when Entra ID controls are tested only through configuration review?
A: Configuration review can confirm that roles, permissions, and policies exist, but it does not prove whether an attacker can chain them into escalation.
Q: Why do over-permissioned apps and service principals increase Entra ID risk?
A: Because app and service principal permissions can act like delegated privilege, especially when they can read or modify directory objects through Microsoft Graph.
Q: Where does PIM fail in practice for Entra ID privilege control?
A: PIM fails when teams treat eligibility as safety and ignore the activation chain that turns eligible access into usable privilege.
Practitioner guidance
- Test privilege escalation paths in a lab Reproduce your highest-risk Entra ID attack paths in a disposable tenant so you can observe how ownership, permissions, and role activation actually combine.
- Inventory application ownership and service principals Identify which people and processes can alter app ownership, add credentials, or grant permissions, then review those changes as privileged events.
- Review Graph API permissions as access grants Classify Graph permissions by the directory actions they enable, especially where app-only access can modify identities, roles, or administrative units.
Bottom line: EntraGoat shows that Entra ID governance can look correct in a console and still fail when an attacker chains ownership, permissions, and role activation.
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25/06/2026 10:16 am
Identity governance fails when defenders never validate the attack path. Static configuration review can show whether a role exists, but it does not prove whether an attacker can chain ownership, permissions, and activation steps into admin access. EntraGoat is valuable because it turns identity governance into an executable test of actual privilege paths. The practitioner lesson is that identity assurance must be demonstrated under attack conditions, not assumed from policy state.
A few things that frame the scale:
- 73% of vaults are misconfigured, leading to unauthorised access and exposure of sensitive data, according to the Ultimate Guide to NHIs.
A question worth separating out:
Q: How do security teams detect certificate-backed impersonation in Microsoft Entra?
A: Look for unexpected keyCredential insertions, token thumbprints that do not match registered certificates, and privileged Graph or Exchange activity that follows a new signing event. Those signals show the trust chain has been altered, even if the token itself looks valid.
👉 Read our full editorial: Entra ID attack labs expose where identity governance breaks down