Security
What Is a Qualified Security Assessor (QSA)?
A Qualified Security Assessor (QSA) is a person approved by the PCI Security Standards Council to audit merchants for compliance with the Payment Card Industry Data Security Standard.
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"card systems"
345 articles found
Payment Systems
Samsung Pay Debit Card is coming!!!!
Major technology companies' love for payment systems shows no sign of ending; in fact, some are just getting started. Apple, Huawei, and Google had previously announced plans to issue cards. According to new reports, Samsung is joining them.
Credit Card
A New Method in Credit Card Fraud!!
Credit card fraud keeps changing form, but the aim is always to trick the cardholder into giving up card details. Fraudsters posing as delivery couriers now copy cards on modified POS devices. Here is how the scam works and how to protect yourself.
Merchant & POS
What's the Difference Between a Reversal and a Cancellation (Void)?
What's the difference between a reversal and a cancellation (void)? Both zero out a transaction's financial effect, but they're triggered in very different ways.
Credit Card
What is LKS (Limit Control System)?
Limit Control System (LKS): A system provided by KKB (Credit Bureau of Turkey) that allows customers' limit details to be checked in real time. It provides member banks (or institutions) with information sharing on consumers' credit card limits. Under the regulation by the BRSA...
Merchant & POS
Offline PIN Counter = 0 Scenario: Who Is Liable for Transactions Approved Without a PIN?
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?
Merchant & POS
What is Authorization?
The term 'provizyon' comes from French and means obtaining approval for a transaction. In payment systems, authorization confirms that the card, POS, bank account, and transaction limits are sufficient to complete a payment.
Merchant & POS
Regulation on generating and using TR QR Code in payment services published
The regulation on generating and using TR QR Code in payment services was published in the Official Gazette No. 31220 on August 21, 2020. Its purpose is to set the standards for generating and using TR QR Code in payment services.
Laws & Regulations
The 'TR QR Code' Era in Payment Systems
The Regulation on the Generation and Use of TR QR Code in Payment Systems sets the standards for QR codes in payment services. The Central Bank has taken the first step by drafting rules for a common QR code structure.
Online & Authorization
What are EMV Tags?
In EMV, data is stored in Tag-Length-Value (TLV) format, and it is carried between the card, the POS terminal, and the authorization system in this same format. This post lists every EMV Tag, its type, and its description.
Credit Card
What do I need to do to use my card for e-commerce transactions?
First, your card must be enabled for e-commerce transactions, with domestic and international authorizations usually managed separately. Second, your card must be eligible for 3D Secure transactions.
Credit Card
What is a digital wallet?
A digital wallet is an electronic wallet where credit, debit, or prepaid cards are registered in one place. Cardholders can securely add, store, update, and delete card details, then pay with a single click.