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💼 4.1.10 Avoid non-default bindings to system:authenticated (Automated)

  • ID: /frameworks/cis-gke-v1.8.0/04/01/10

Description​

Avoid non-default ClusterRoleBindings and RoleBindings with the group system:authenticated, except the ClusterRoleBindings system:basic-user, system:discovery, and system:public-info-viewer. Google's approach to authentication is to make authenticating to Google Cloud and GKE as simple and secure as possible without adding complex configuration steps. The group system:authenticated includes all users with a Google account, which includes all Gmail accounts. Consider your authorization controls with this extended group scope when granting permissions. Thus, group system:authenticated is not recommended for non-default use.

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