Somebody is storing credit card data - how are they doing it?

Question

Storing credit card information securely and legally is very difficult and should not be attempted. I have no intention of storing credit card data but I\'m dying to figure out

Answer 1

any automated system for decrypting encrypted information is going to be completly insecure. By automating the process you are defeating the encryption. Any encrypted data should only be decrypted by a user entered secret key.