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HSM & Security
ZPK, also known as the PIN Protection Key, is a data encryption key that is distributed automatically and used to encrypt PINs. It is also referred to as the 'Working Key'. This key allows PIN information to be carried securely across the network.
Merchant & POS
MEK stands for Message Encryption Key, a randomly generated or static key used to encrypt message content and ensure its secure transmission between parties.
Courier & Delivery
Barcode numbers are essential for the Courier system, since cards are distributed using the barcode number. So does the barcode number have a generation algorithm, or is it just randomly generated? The barcode number does have a generation algorithm.
Merchant & POS
In-house is a term widely used in the world of payment systems. It means that payment systems applications are managed end-to-end within the bank's own systems, both in terms of code and process.
Credit Card
Credit cards and POS are two core products banks offer customers. At first glance, credit cards seem to generate no return beyond interchange fees, card fees, and late fees.
Credit Card
For customers to use credit or ATM cards, the cards must first be printed. Here are the advantages and disadvantages of instant issuance and bulk printing, the two methods banks prefer.
Credit Card
A business card is a card corporate companies use to manage their financial transactions. The application is made in the company's name, and a virtual primary card that is not physically printed is created for the company. Additional cards are then issued to users.
Credit Card
With the advancement of technology, the use of credit cards in online transactions and the variety of payment methods have increased. To make an online transaction with a credit card, you need: Card Number, Expiration Date, and CVV2 (the 3-digit number on the back of the card).
ATM
RKL is the process of distributing a TMK (Terminal Master Key) to each terminal from a central point. It is used to remotely load keys onto POS and ATM devices, loading TMKs onto an ATM's keypad or activating them on a POS.
Credit Card
A real attempted card fraud story: a fake Facebook friend request, a promise of free bank points, and a request for card number, expiry date and CVV2. Here is what happened and how to protect yourself.
Credit Card
An installment transaction splits a payment into a set number of installments reflected on the cardholder's statement, when the card and POS bank are the same. For example, a 1000 TL transaction in 5 installments reflects 200 TL per statement period, starting from the first one.