DuoKey for AWS S3 is an advanced encryption key management solution designed by DuoKey to enhance data protection and security for Amazon S3 storage. It provides data security both at rest and in transit, offering multiple encryption options including server-side encryption with Amazon S3-Managed Keys, AWS KMS-Managed Keys, and customer-provided keys, as well as client-side encryption with AWS KMS–Managed Customer Master Key or a client-side master key. The solution uses strong encryption algorithms and industry-standard security practices to protect data and help meet regulatory requirements such as GDPR and HIPAA. It allows organizations to maintain control over their encryption keys and ensure data sovereignty within their AWS environment.