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KMS CMK Rotation Should Be Enabled Rule

This rule ensures Key Management Service (KMS) Customer Master Key (CMK) rotation is enabled for enhanced security measures.

RuleKMS CMK rotation should be enabled
FrameworkHIPAA
Severity
Critical

Rule Description: KMS CMK Rotation for HIPAA Compliance

Description:

To comply with HIPAA (Health Insurance Portability and Accountability Act) requirements, Key Management Service (KMS) Customer Master Keys (CMKs) rotation should be enabled. This rule ensures that encryption keys used for protecting sensitive data are regularly rotated to enhance security and minimize the impact if a key is compromised.

Troubleshooting Steps:

If KMS CMK rotation is not enabled for HIPAA compliance, you may encounter the following issues:

  1. 1.
    Non-compliance: Failure to enable CMK rotation can result in non-compliance with HIPAA regulations, which may have legal implications.
  2. 2.
    Increased security risk: Without key rotation, a compromised key could potentially remain valid for an extended period, making sensitive data more vulnerable to unauthorized access.
  3. 3.
    Audit failures: Regular CMK rotation is often an auditable requirement, and failure to adhere to it can result in compliance audit failures.

Necessary Codes:

No specific codes are required for this rule.

Step-by-Step Guide for Remediation:

Follow these steps to enable KMS CMK rotation for HIPAA compliance:

  1. 1.
    Sign in to the AWS Management Console and open the AWS Key Management Service (KMS) console.
  2. 2.
    Select the appropriate Region from the top-right corner if needed.
  3. 3.
    In the left navigation pane, click on "Customer managed keys."
  4. 4.
    Identify the Customer Master Key (CMK) used for encrypting the sensitive data related to the HIPAA compliance.
  5. 5.
    Select the CMK by clicking on its alias or key ID.
  6. 6.
    In the "Key Management" section, click on "Enable key rotation."
  7. 7.
    Review the "Key Rotation" information provided and click "Enable" to enable CMK rotation.
  8. 8.
    AWS KMS will now automatically rotate the CMK every year.

Note: Enabling CMK rotation will not interrupt normal operations or affect the data encrypted with the CMK.

Verification:

To verify the successful rotation of the CMK, follow these steps:

  1. 1.
    Sign in to the AWS Management Console and open the AWS Key Management Service (KMS) console.
  2. 2.
    Select the appropriate Region from the top-right corner if needed.
  3. 3.
    In the left navigation pane, click on "Customer managed keys."
  4. 4.
    Locate the CMK you enabled rotation for by searching its alias or key ID.
  5. 5.
    Verify that the "Key rotation" column for the CMK shows "Enabled" and a rotation status of "Active."
  6. 6.
    Additionally, you can review the Key Rotation History tab for details about past and upcoming rotations.

Once enabled, KMS CMK rotation ensures compliance with HIPAA requirements and enhances the security of encrypted data.

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