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Credit Card
The Chargeback Document Management System (CDYS) is a system developed by BKM to resolve customer disputes over card payment transactions among BKM members, covering Copy Request, Chargeback, Representment, and related processes.
HSM & Security
In the world of payment systems, keys and their uses are important for transferring information from one place to another, storing information, and securing authorization and scripting steps. Key types are divided into six categories based on their purpose.
Merchant & POS
These are codes placed into the terminal software by the acquirer that govern the rules for whether transactions go online or are declined, covering offline approval, offline decline, and online submission due to issuer risk...
Credit Card
The BRSA raised the card limit threshold used to set the minimum payment rate from TRY 50,000 to TRY 100,000. This post explains what changed, why now, the short-term relief, the risk of carried-over balances, and which data to watch.
Payment Systems
The BRSA has introduced a regulation to reduce paper use in POS devices. Cardholders who do not want a paper receipt for card purchases will be able to receive and store it digitally, with the rules taking effect in September and December 2023.
Merchant & POS
PIN Transaction Security (PTS) verifies that card data and PIN information are used for a payment transaction. It is a set of modular evaluation requirements managed by the PCI Security Standards Council for PIN-accepting terminals.
ISO 8583
F124 (Private Additional Data) contains additional information specific to the transaction, such as Card Update Failure Code and Status, cardholder name in money transfers, and keys in network management messages.
ATM
ATM stands for Automated Teller Machine, an electronic device that lets customers carry out account transactions with or without a card. It was invented in 1960 by John Shepherd-Barron. The first ATM in Turkey was installed in 1982.
Credit Card
Yes. A certificate must be generated for every new BIN and loaded onto the card chip, establishing secure communication between the chip and the terminal. This is especially critical for verification in offline transactions.
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.
Credit Card
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.
Merchant & POS
Recurring billing is the automatic collection of payments at set intervals and amounts by storing the customer's card details on a secure, PCI DSS-certified infrastructure.