Resources should be created in a non-default namespace in Kubernetes
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언제든지 연락주시기 바랍니다.Description
Kubernetes provides a default namespace, where objects are placed if no namespace is specified for them. Placing objects in this namespace makes application of RBAC and other controls more difficult.
Rationale
Resources in a Kubernetes cluster should be segregated by namespace, to allow for security controls to be applied at that level and to make it easier to manage resources.
Audit
Run this command to list objects in default namespace: kubectl get all
The only entries there should be system managed resources such as the Kubernetes service.
Ensure that namespaces are created to allow for appropriate segregation of Kubernetes resources and that all new resources are created in a specific namespace.
Impact
None
Default value
Unless a namespace is specific on object creation, the default namespace will be used.
References
None
CIS controls
None
