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Introduction
Managing and securing non-human identities—such as applications and workload identities—in Microsoft Entra remains a critical yet often overlooked challenge. Cyber Security Architect Thomas Naunheim shares five essential rules to enhance visibility, delegation, policy enforcement, lifecycle management, and security insights for workload identities. This guide compiles verified commands, KQL functions, and best practices to secure these identities effectively.
Learning Objectives
- Gain visibility into workload identities using KQL and Microsoft Defender XDR.
- Implement delegation and policy controls for secure identity management.
- Automate lifecycle management and integrate security signals for proactive threat detection.
1. Visibility: Enumerate Workload Identities with KQL
Command:
WorkloadIdentityInfoXDR() | project AppId, DisplayName, Classification
Step-by-Step Guide:
- Open Microsoft Sentinel or Defender XDR Advanced Hunting.
- Run the KQL function `WorkloadIdentityInfoXDR()` to list all workload identities.
- Filter results using `project` to display critical fields like `AppId` and
Classification. - Use this data to audit and classify high-risk applications.
🔗 Demo: KQL Cafe Session
2. Delegation: Secure Permissions for Identity Management
PowerShell (Microsoft Graph API):
Connect-MgGraph -Scopes "Application.ReadWrite.All" New-MgServicePrincipal -AppId "12345678-1234-1234-1234-1234567890ab"
Step-by-Step Guide:
1. Use `Connect-MgGraph` to authenticate with Application.ReadWrite.All permissions.
2. Create or modify service principals using `New-MgServicePrincipal`.
3. Restrict delegation roles to least-privilege access.
🔗 Reference: Delegation Guide
3. Policies: Enforce Conditional Access for Workload IDs
Microsoft Entra Policy (JSON):
{
"displayName": "Restrict Workload Credential Types",
"policyRule": {
"if": {
"allOf": [
{ "field": "servicePrincipalType", "equals": "Application" }
]
},
"then": { "effect": "Deny" }
}
}
Step-by-Step Guide:
- Navigate to Microsoft Entra > Identity Governance > Access Policies.
- Define a policy to block high-risk credential types (e.g., long-lived secrets).
- Automate remediation via Azure Policies for Managed Identities.
🔗 Policy Templates: Entra Policy Guide
4. Lifecycle Management: Automate Identity Governance
Azure CLI:
az ad sp credential list --id <app-id> --query "[].endDateTime"
Step-by-Step Guide:
- Audit credential expiration using
az ad sp credential list. - Set up automated rotation via Azure Automation or Logic Apps.
3. Enforce deprovisioning for inactive identities.
🔗 Full Guide: Lifecycle Management
5. Security Insights: Detect Anomalies with Sentinel
KQL Query for Suspicious OAuth Grants:
SigninLogs | where AppId == "high-risk-app" | where ResultType == "0" | extend RiskScore = todynamic(RiskDetail).riskScore
Step-by-Step Guide:
1. Monitor `SigninLogs` for anomalous OAuth grants.
2. Integrate Defender XDR signals for real-time alerts.
3. Classify critical identities using EntraOps.
🔗 Security Insights: Sentinel Integration
What Undercode Say:
- Key Takeaway 1: Workload identity security requires continuous monitoring, least-privilege access, and automated governance.
- Key Takeaway 2: Microsoft’s new Attack Disruption and Exposure Management features enhance proactive defense.
Analysis:
Non-human identities are prime targets for supply chain attacks. By enforcing the five golden rules—visibility, delegation, policies, lifecycle management, and security insights—organizations can mitigate credential theft, OAuth abuse, and lateral movement risks. Microsoft’s evolving tools (e.g., Attack Paths for Applications) provide deeper risk context, but adoption depends on licensing and operational maturity.
Prediction:
As cloud adoption grows, attackers will increasingly exploit misconfigured workload identities. Organizations that automate identity governance and integrate Microsoft Sentinel with Defender XDR will lead in detecting and disrupting identity-based attacks before breach escalation.
🔗 Explore More:
IT/Security Reporter URL:
Reported By: UgcPost 7354415504352026624 – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
