Any cardholder data that is stored, processed, or transmitted must be protected in accordance with PCI DSS. If faxes are sent or received via modem over a traditional PSTN phone …
PCI DSS Requirement 4.2 prohibits the sending of unprotected primary account numbers (PANs) via end-user messaging technologies, whether sent internally or over public networks. E-mail, instant messaging, SMS, and chat …
Payment terminals (sometimes referred to as point-of-sales systems, point-of-interaction devices or payment devices) are physical devices that capture payment card data to process transactions. Because these devices are directly involved …