Security Hub checks failing because of eks endpoint being public

https://docs.aws.amazon.com/securityhub/latest/userguide/eks-controls.html

Remediation

To modify endpoint access for an existing EKS cluster, see Modifying cluster endpoint access in the Amazon EKS User Guide. You can set up endpoint access for a new EKS cluster when creating it. For instructions on creating a new Amazon EKS cluster, see Creating an Amazon EKS cluster in the Amazon EKS User Guide.