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.

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

Impact:

None

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/2125

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

Source

• Tenable.com/audits