Details

Retain the logs for at least 30 days or as appropriate.

Rationale:

Retaining logs for at least 30 days ensures that you can go back in time and investigate or correlate any events. Set your audit log retention period to 30 days or as per your business requirements.

Impact:

None

Solution

Edit the API server pod specification file /etc/kubernetes/manifests/kube-apiserver.yaml on the master node and set the –audit-log-maxage parameter to 30 or as an appropriate number of days:

–audit-log-maxage=30

Default Value:

By default, auditing is not enabled.

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/3371

This security hardening control applies to the following category of controls within NIST 800-53: Audit and Accountability.This control applies to the following type of system Unix.

References

• 800-53|AU-4.
• CSCv6|6.3
• CSCv7|6.4

Source

• Tenable.com/audits