PCI DSS (Payment Card Industry Data Security Standard) What exactly is the PCI DSS Compliancy? The PCI DSS (Payment Card Industry Data Security Standard) is a set of requirements for all parties involved in processing credit & debit card transactions – including acquirers, service providers, and merchants – to ensure secure transmission and storage of cardholder data. Continuous compliance with the standard is mandatory for all specified parties. Our shopping cart is compliant and provides you, our valued customers with the safety and security you deserve.