In regards to Amazon SQS how can you secure the messages in your queues?

A.
You can’t

B.
Amazon SQS uses either your Access Key ID or an X.509 certificate to authenticate your identity

C.
Through your IAM access keys

D.
Don’t use root access

Explanation:
Authentication mechanisms are provided to ensure that messages stored in Amazon SQS queues are secured against
unauthorized access. Only the AWS account owners can access the queues they create. Amazon SQS uses proven
cryptographic methods to authenticate your identity, either through the use of your Access Key ID and request signature,
or through the use of an X.509 certificate.
https://aws.amazon.com/sqs/faqs/