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Merchant & POS
An imprinter is the name given to devices that transfer all the information embossed on a credit card onto a paper sales receipt. Before POS terminals, it was commonly used by merchants for authorization transactions.
Credit Card
CVV is short for Card Verification Value, a term used by Visa. CVC is short for Card Verification Code, a term used by MasterCard. The CVV/CVC code is used for cardholder verification and to reduce fraud risk.
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
Chip&Pin, introduced in Turkey on March 31, 2006, is a payment method that greatly reduces the risks of card copying and loss or theft fraud. The chip on the card reduces copying risk, while the 4-digit PIN prevents unauthorized use of a lost card.
Chargeback
A chargeback is a dispute raised against a card transaction when the cardholder did not make it or does not recall it. The dispute types vary depending on the situation; let's look at them.
Security
Vishing is a method of deceiving the victim using voice. It replaces the "p" in phishing with the first letter of "voice," meaning "voice deception." It is reinforced by technology in social engineering cases to extract information more easily.
HCE
The HCE cloud-based security infrastructure consists of four main pillars: Tokenization, Risk Management, Session Keys, and User/Device Authentication. Tokenization indicates the type of token generation, and there are three different tokenization methods.
ATM
Like any physical device, ATMs have certain limits. Logically, it may seem like you could withdraw as much money as the ATM's cash cassettes can physically hold (10s, 20s, 50s, 100s, etc.), but that is not actually the case.
ATM
Because the ATM is the channel where customers physically handle cash, fraud cases happen there very often. Here are the precautions you can take to use ATMs safely.
Online & Authorization
Cardholder verification in EMV is specific to chip cards. One goal of EMV is to minimize card fraud. To do this, three parties must be verified: the bank, the cardholder, and the terminal. One of the data items taken from the card to prove identity is...
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.
Online & Authorization
Online transactions grow every day in both number and volume, and so does the risk of fraud. Here are practical steps cardholders can take to shop online more safely.