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Merchant & POS
In e-commerce transactions, the system developed to increase transaction security for payments made with credit and debit cards is called 3D Secure. When paying with 3D Secure, a special payment screen provided by the banks appears on the user's screen.
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.
Debit Card
Debit cards and prepaid cards are generally closed to Mail Order transactions. The same usually applies to Non-3D (non-3D Secure) online transactions, which banks keep disabled by default to limit fraud risk.
Payment Systems
Here are the Mastercard and Visa chargeback reason codes that require a cardholder letter and/or supporting documentation, with their descriptions.
Payment Systems
The Draft Retrieval Not Required Before Chargeback codes defined for Visa and Mastercard are listed below, so you can see which disputes can go straight to chargeback.
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.
ISO 8583
F25 - POINT OF SERVICE (POS) CONDITION CODE is the field that defines the condition under which a POS transaction was performed. Possible values include 00 Normal presentment, 01 Customer not present, 02 Unattended terminal, and more.
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?
Payment Systems
BKM, short for Interbank Card Center, is a legal entity established in 1990 with contributions from 13 public and private Turkish banks to provide clearing and settlement for cards.
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).
ATM
EAST, originally the European ATM Security Team, is a non-profit organization working on ATM security. Founded in 2004, it later broadened its scope and became the European Association for Secure Transactions.
Payment Systems
EAST, the European Association for Secure Transactions, is a non-profit organization working on ATM, terminal and payment security. It was founded in 2004 as the European ATM Security Team.