The developer is creating a web application that collects highly regulated and confidential user data through POST request. The web application is served through Amazon CloudFront. User names and phone umbers must be encrypted at the edge and must remain encrypted throughout the entire application stack.
What is the MOST secure way to meet these requirements?

A. Enforce Match Viewer with HTTPS Only on CloudFront.
B. Use only the newest TLS security policy on CloudFront.
C. Enforce a signed URL on CloudFront on the front end.
D. Use field-level encryption on CloudFront.