Event Hub namespaces should have resource logs enabled
Audits whether resource logs are enabled on Event Hub namespaces. Enabling them lets you recreate activity trails to use for investigation purposes. The check applies to `Microsoft.EventHub/namespaces` resources.
This enables you to recreate activity trails to use for investigation purposes; when a security incident occurs or when your network is compromised.
What this control checks
Event Hub namespaces must have a diagnostic setting with logs enabled
Common pitfalls
Default retention is 365 days
The requiredRetentionDays parameter has a defaultValue of 365. The description reads "The required resource logs retention in days".
Effect is AuditIfNotExists by default
The effect parameter has a defaultValue of AuditIfNotExists. The allowedValues are AuditIfNotExists and Disabled.
Audit evidence
Evidence that deployed resources meet this control: Azure Policy compliance results for the built-in policy definition "Resource logs in Event Hub should be enabled" (83a214f7-d01a-484b-91a9-ed54470c9a6a); PowerPipe control azure_compliance.control.eventhub_namespace_logging_enabled.
Framework-specific interpretation
NIST SP 800-53 Rev 5: Mapped to AU-12 (Audit Record Generation), AU-12(1) (System-wide and Time-correlated Audit Trail), AU-6(4) (Central Review and Analysis) and 1 more clause.
FedRAMP Moderate Baseline Rev 4: Mapped to AU-12 (Audit Generation).
Framework mappings
The clauses this control is mapped to in each framework.
- AU-6(4) Central Review And Analysis
- AU-6(5) Central Review And Analysis
- AU-12 Audit Record Generation
- AU-12(1) System-Wide And Time-Correlated Audit Trial
FedRAMP Moderate Baseline Rev 4
- AU-12 Audit Generation
- 3.3.1: Create and retain system audit logs and records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful or unauthorized system activity
- 3.3.2 Ensure that the actions of individual system users can be uniquely traced to those users, so they can be held accountable for their actions
- AU.L2-3.3.1 Create and retain system audit logs and records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful or unauthorized system activity
- AU.L2-3.3.2 Ensure that the actions of individual system users can be uniquely traced to those users, so they can be held accountable for their actions
- AU-6(4) Central Review And Analysis
- AU-6(5) Integration / Scanning And Monitoring Capabilities
- AU-12 Audit Generation
- AU-12(1) System-Wide / Time-Correlated Audit Trail
- 1207.09aa2System.4-09.aa 09.10 Monitoring
Related controls
Tool mappings
Use these identifiers to cross-reference this control across tools, reports, and evidence.
- Compliance.tf Control:
eventhub_namespace_logging_enabled - Powerpipe Control:
azure_compliance.control.eventhub_namespace_logging_enabled - Azure Policy Definition:
83a214f7-d01a-484b-91a9-ed54470c9a6a
Last reviewed: 2026-10-13