Final answer:
SSE for Amazon Simple Queue Service (SQS) encrypts the message contents in queues using 256-bit Advanced Encryption Standard (AES-256). Encryption and decryption are managed by the service transparently, so applications using SQS do not need to be modified to benefit from enhanced security.
Step-by-step explanation:
Server-Side Encryption (SSE) for Amazon Simple Queue Service (SQS) encrypts the contents of messages in queues.
Amazon SQS employs SSE to protect the data at rest using 256-bit Advanced Encryption Standard keys (AES-256).
When you send a message to a queue with SSE enabled,
Amazon SQS encrypts the message with a new unique encryption key.
Subsequently, when messages are retrieved, they are decrypted using the corresponding key, ensuring that only authorized services and users can read the message contents.
Encryption and decryption are handled transparently by the service, so you don't have to modify your applications to enable SSE.
This ensures that the data in your queues is secure, enhancing the overall security of your applications that utilize Amazon SQS.