Answer:
Using Encryption and also digital certificate technologies
Explanation:
Encryption and digital certificate technologies could be used. The data can be encrypted before transmission. Only the intended recipient of the transmission will be able to decrypt and use it. In addition, digital certification service can also be used to ensure the authenticity of the other party. The standards for processing financial transactions quite strict enough to ensure safeguarding the interests of the card issuer, the cardholder and the merchant.