Securing Payment Authorisation Requests: Essential Security Controls Every Business Should Implement
Securing Payment Authorisation Requests Every digital payment begins with an authorisation request, making it one of the most critical stages in the payment lifecycle. Before a transaction is approved, sensitive payment data travels between multiple systems, creating opportunities for fraudsters if proper security controls are not in place. Understanding how to protect this stage is essential for merchants, payment service providers, and financial institutions. For a deeper look at payment lifecycle security, read this detailed guide: https://sisa.ai/resource/blog/mapping-the-payment-lifecycle-to-security-controls-what-needs-to-be-secured-at-the-authorisation-request/ . What Is a Payment Authorisation Request? A payment authorisation request is the process where a merchant asks the card issuer whether a transaction should be approved. During this step, payment information, transaction details, and security data are exchanged between the merchant, payment gateway, acquiring bank, ...