Guest account with Microsoft Entra role membership

It allows an attacker to access resources in the tenant through unmanaged identities, potentially leading to privilege escalation and unauthorized access. This is because guest accounts can be compromised by attackers who have control over the external organization's identity provider or tenant.

Attackers can exploit a guest account with Microsoft Entra role membership by compromising the guest user account in the external organization, granting them access to resources in the tenant through unmanaged identities and potentially leading to privilege escalation. This can also enable lateral movement within the environment.

Cayosoft Guardian continuously monitors the membership of user accounts in the environment, including those from external organizations, detecting guest accounts with Microsoft Entra role membership and flagging them as security issues for administrators to review.

Cayosoft Guardian alerts administrators to remove role assignments from guest user accounts, preventing unauthorized access and privilege escalation. It also provides visibility into unmanaged identities and recommends creating new accounts in the tenant for users requiring administrative access.