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XCCDF
Guide to the Secure Configuration of Red Hat OpenShift Container Platform 4
Kubernetes Settings
System and Software Integrity
Ensure that Cluster Version Operator verifies integrity
Ensure that Cluster Version Operator verifies integrity
An XCCDF Rule
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Ensure that Cluster Version Operator verifies integrity
Medium Severity
Integrity of the OpenShift platform is handled to start by the cluster version operator. Cluster Version Operator will by default GPG verify the integrity of the release image before applying it. This rule check if there is an unverified cluster image.