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Fraud
In payment systems, fraud means using someone else's credit or debit card to carry out a transaction at a merchant or ATM, gaining unfair profit and causing loss to the real cardholder, the merchant, or the bank. Fraudsters…
Laws & Regulations
The articles of the Regulation on the Accessibility of Banking Services are listed below. Published in the Official Gazette on 18 June 2016 (issue 29746), banks must strictly comply with them. PART ONE Purpose...
Merchant & POS
The MCC code, or Merchant Category Code, is a 4-digit code used to classify merchants. Some MCC codes are restricted or prohibited, and POS terminals or card transactions may be blocked when such a code is used.
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.
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?
Security
A Qualified Security Assessor (QSA) is approved by the PCI Security Standards Council to audit merchants for PCI DSS compliance. The lists of QSA and ASV companies are published on the Council's website.
Merchant & POS
In the payment systems glossary, some terms are essential, including Onus. Onus literally means "on us" and refers to cases where the card-issuing bank and the POS/ATM bank are the same, meaning no clearing commission applies.
Contactless
Updated info: this article describes the limit at the time it was published. For the current contactless (PIN-free) transaction limit, see the linked article. A 1,000 TL contactless transaction is technically possible, but banks won't take that risk.
Merchant & POS
Just like a car, a POS device has a brand and a model, for example Ingenico ICT220 or Ingenico ICT250. Each model differs from the others: some have a contactless reader while others may not, and screens, memory and features vary.
ISO 8583
Field 3, Processing Code, is the field that shows what type of transaction is being performed and is critical for authorization. A Sale from POS differs from a Cash Withdrawal at an ATM.
Payment System Institutions
One of the most important transformations in banking over the last few years has undoubtedly been remote customer onboarding. Individuals can now become bank customers within minutes without visiting a branch. Digital identity checks and contracts largely solved a long-standing problem...
Security
The first transaction made after a customer's card data is stored with a merchant is called the First Credential-On-File transaction. BKM expects it to be flagged with the value "C" in switch message field DE48.PDS86, and BRSA draft rules govern how card data may be stored.