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Credit Card
CNP refers to a transaction made through a website or a company's own app payment page, where the card is not read by any device and its details are entered manually. It is short for Card Not Present.
Chargeback
Chargeback is inherent to card transactions, so it may be impossible to prevent entirely, but taking precautions keeps the risk to a minimum. Here are the key points merchants should pay attention to in order to reduce chargebacks.
EMV
The Visa EAS Server (Extended Access Service) is a server used in Visa’s authentication infrastructure. It was developed to run the cardholder authentication process securely between banks and the Visa network, particularly within Visa Secure (3-D Secure 2.x).
Payment Systems
Online PIN is verified by the card-issuing institution through the message itself, while Offline PIN is verified on the chip. This article explains the difference and when PIN bypass is allowed.
Payment Systems
The Address Verification Service (AVS) is a fraud prevention system that, when used effectively, can help limit fraud and chargebacks. This post lists the AVS response codes used by AMEX, Mastercard and Visa, with a description of each.
ISO 8583
F19 — Acquiring Institution Country Code: the country to which the location of the acquiring bank's device (ATM, POS, etc.) belongs.
Merchant & POS
In EMV-based debit card transactions, PIN verification is decisive for both security and liability. What happens when a card that only supports online PIN is sent to the issuer without a PIN, and the issuer approves it? Who owns the risk?
ISO 8583
F61 - POINT OF SERVICE (POS) DATA: This field provides information about the specific status of the POS at the time of the transaction. Position Usage Attribute 1 POS Terminal Attendance Indicator 0 = Attended terminal (Valid for MasterCard debit card and Maestro transactions only).
ISO 8583
The card's Track 2 data is carried in this field. Track 2 data contains information such as the card number, expiry date and service code.
Payment Systems
Couriers are used to physically deliver cards (credit, debit, prepaid) to customers. Here is a brief look at the card's life cycle, from application and printing to courier sorting and final delivery.
Fraud
Yes. Cardholders have the right to dispute transactions made with their cards without their knowledge. Here is how the process, known as a chargeback, works.
Merchant & POS
Card storage is a system, secured with PCI DSS certification, for storing credit and debit card details safely. It saves consumers from entering their card details again and again on frequent purchases.