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Remediation Steps:
Perform following to modify database encryption on Redshift cluster update SSL parameter group :
Login to the AWS Management Console at https://console.aws.amazon.com.
Navigate to Redshift console.
In the navigation pane, under CONFIG, select Workload management.
Choose the Parameter Groups that you want to modify then under Parameters section click on Edit Parameters button.
On the selected parameter group configuration tab, choose the require_ssl parameter and change its current value from false to true.
Click Save Changes to apply.
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