Security Group Redshift (5439) Port Open to Public

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Last Updated:

April 21, 2022

An unused AWS Security Group allows public access to the Redshift port (5439). Because it is commonly used for database access the default Redshift port is an attractive target for attackers. Unused Security Groups should be removed, or if re-assigned, remove or restrict the inbound rule allowing Redshift (port 5439) in this Security Group.