compliance.tf

Azure Cosmos DB accounts should use customer-managed keys to encrypt data at rest

Use customer-managed keys to manage the encryption at rest of your Azure Cosmos DB. By default, the data is encrypted at rest with service-managed keys. Customer-managed keys enable the data to be encrypted with an Azure Key Vault key created and owned by you.

What this control checks

Cosmos DB accounts are checked for customer-managed key (CMK) encryption of data at rest

Framework mappings

The clauses this control is mapped to in each framework.

NIST SP 800-53 Rev 5

  • Cryptographic Key Establishment And Management (SC-12)

NIST SP 800-171 Rev 2

  • 3.13.10 Establish and manage cryptographic keys for cryptography employed in organizational systems

CIS Azure Benchmark v4.0.0

  • 2.1.1.2.1 Ensure Critical Data is Encrypted with Customer Managed Keys (CMK)

FedRAMP High

  • SC-12 Cryptographic Key Establishment And Management

Tool mappings

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

  • Compliance.tf Control: cosmosdb_account_encryption_at_rest_using_cmk
  • Checkov Check: CKV_AZURE_100
  • Powerpipe Control: azure_compliance.control.cosmosdb_account_encryption_at_rest_using_cmk

Last reviewed: 2026-10-11

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