A system that includes a fuel dispenser terminal and a remote controller. The fuel dispenser terminal is configured to generate a service request for a fuel purchase that includes card information, encrypt the service request, and send the encrypted service request to the remote controller. The fuel dispenser terminal is further configured to receive a personalized offer in response to sending the encrypted service request and display the personalized offer. The remote controller is configured to decrypt the service request to identify the card information associated with a customer and determine an identity of the customer based on the card information. The remote controller is further configured to generate a personalized offer for the customer based on their identity and send the personalized offer to the fuel dispenser terminal. The remote controller is further configured to re-encrypt the service request and send the re-encrypted service request to a service processor.