compliance.tf
Azure Compliance ControlsAzure Kubernetes Service

Kubernetes clusters should have public access restrictions configured

Checks whether a Kubernetes cluster restricts public access. Per the Azure Policy, network traffic between the `API server` and the node pools remains on the private network only, so the cluster control plane is not reached over public routes.

What this control checks

AKS clusters must have private cluster enabled (private_cluster_enabled = true).

Framework mappings

The clauses this control is mapped to in each framework.

SOC 2

  • CC6.1 The entity implements logical access security software, infrastructure, and architectures over protected information assets to protect them from security events to meet the entity's objectives

PCI DSS v4.0

  • 1.2.8: Network security controls (NSCs) are configured and maintained.
  • 1.3.1: Network access to and from the cardholder data environment is restricted.
  • 1.3.2: Network access to and from the cardholder data environment is restricted.
  • 1.4.2: Network connections between trusted and untrusted networks are controlled.
  • 1.5.1 Security controls are implemented on any computing devices, including company- and employee-owned devices, that connect to both untrusted networks

NIS2 Directive (EU 2022/2555)

  • 2 Risk management policy

BSI C5:2025

  • IAM-10.01B The cloud service provider ensures that access to its internal data and system functions is controlled and restricted to authorised personnel.
  • IAM-10.02B The cloud service provider establishes processes and technical controls to manage and verify access permissions within its internal systems.
  • PS-03.02B The security measures are designed to detect and prevent unauthorised access so that the information security of the cloud service is not compromised.

HIPAA Security Rule 2003

  • 164.308(a)(1)(ii)(B) Risk management
  • 164.312(a)(1) Access control

Tool mappings

Use these identifiers to cross-reference this control across tools, reports, and evidence.

  • Compliance.tf Control: kubernetes_cluster_restrict_public_access
  • Checkov Check: CKV_AZURE_115
  • Powerpipe Control: azure_compliance.control.kubernetes_cluster_restrict_public_access
  • Prowler Check: aks_clusters_public_access_disabled
  • Azure Policy Definition: 040732e8-d947-40b8-95d6-854c95024bf8
  • KICS Query: 599318f2-6653-4569-9e21-041d06c63a89
  • Trivy Check: AZU-0065

Last reviewed: 2026-10-13

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