Workload Identities are not assigned privileged roles

Overview

If administrators assign privileged roles to workload identities, such as service principals or managed identities, the tenant can be exposed to significant risk if those identities are compromised. Threat actors who gain access to a privileged workload identity can perform reconnaissance to enumerate resources, escalate privileges, and manipulate or exfiltrate sensitive data. The attack chain typically begins with credential theft or abuse of a vulnerable application. Next step is privilege escalation through the assigned role, lateral movement across cloud resources, and finally persistence via other role assignments or credential updates. Workload identities are often used in automation and might not be monitored as closely as user accounts. Compromise can then go undetected, allowing threat actors to maintain access and control over critical resources. Workload identities aren’t subject to user-centric protections like MFA, making least-privilege assignment and regular review essential.

Remediation

• Review and remove privileged roles assignments.
• Follow the best practices for workload identities.
• Learn about privileged roles and permissions in Microsoft Entra ID

Run it

The check runs as part of the whole assessment, with the ZeroTrustAssessment module installed:

Install-Module ZeroTrustAssessment -Scope CurrentUser
Connect-Maester
Invoke-Maester -Pack ZTA -SkipBuiltIn

Leave out -SkipBuiltIn to run Maester’s own checks in the same run.

About this check

Severity	High
Effort to fix	Medium
Impact on users	Low
Pillar	Identity
Category	Application management
Product	Entra ID
Feature	Roles and administrators
Area	Privileged access
ATT&CK	T1078.004 Cloud Accounts, T1098.003 Additional Cloud Roles
Licence	P1
Tenant	Workforce, External

Product, feature, area and ATT&CK are Maester’s: the assessment does not record them, so Maester keeps them in the pack’s taxonomy.json.

A Microsoft check, part of the Zero Trust Assessment pack. Text from ZeroTrustAssessment 3.1.0, © Microsoft, MIT licence.