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Amazon Redshift clusters should prohibit public access

Severity: Critical

Resource Types: AWS::Redshift::Cluster

Description​

This control checks whether Amazon Redshift clusters are publicly accessible by evaluating the publiclyAccessible field in the cluster configuration item.

Remediation​

  1. Open the Amazon Redshift console.
  2. On the navigation pane, choose Clusters and then select your public Amazon Redshift cluster.
  3. From the Cluster drop-down menu, choose Modify cluster.
  4. In Publicly accessible, choose No.
  5. Choose Modify.