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Kubernetes API Server audit logs must be enabled.


Finding ID Version Rule ID IA Controls Severity
V-242461 CNTR-K8-003280 SV-242461r864026_rule Medium
Kubernetes API Server validates and configures pods and services for the API object. The REST operation provides frontend functionality to the cluster share state. Enabling audit logs provides a way to monitor and identify security risk events or misuse of information. Audit logs are necessary to provide evidence in the case the Kubernetes API Server is compromised requiring a Cyber Security Investigation.
Kubernetes Security Technical Implementation Guide 2022-12-02


Check Text ( C-45736r863922_chk )
Change to the /etc/kubernetes/manifests directory on the Kubernetes Control Plane. Run the command:
grep -i audit-policy-file *

If the setting "audit-policy-file" is not set or is found in the Kubernetes API manifest file without valid content, this is a finding.
Fix Text (F-45694r863923_fix)
Edit the Kubernetes API Server manifest file in the /etc/kubernetes/manifests directory on the Kubernetes Control Plane. Set the argument "--audit-policy-file" to "log file directory".