How do you enable least-privilege access for Operators?

Enabling least-privilege access for operators is crucial in maintaining a secure and efficient environment. This involves granting operators only the permissions necessary for their specific roles, ensuring that they cannot perform actions beyond their authority. One effective way to implement least-privilege access is through the use of role-based access control (RBAC). Here is an example of how you can set up least-privilege access using RBAC in a Kubernetes environment:

kind: Role apiVersion: rbac.authorization.k8s.io/v1 metadata: namespace: my-namespace name: operator-role rules: - apiGroups: ["apps"] resources: ["deployments"] verbs: ["get", "list", "create", "update"] - apiGroups: [""] resources: ["pods"] verbs: ["get", "list"] --- kind: RoleBinding apiVersion: rbac.authorization.k8s.io/v1 metadata: name: operator-role-binding namespace: my-namespace subjects: - kind: User name: operator-user apiGroup: rbac.authorization.k8s.io roleRef: kind: Role name: operator-role apiGroup: rbac.authorization.k8s.io

DevOps least-privilege access operators role-based access control Kubernetes security

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