Online & Authorization
What Is Pay by Link?
Pay by link is an innovative financial solution that completes a payment through a link sent over the internet, making it possible to shop and transfer money through channels like WhatsApp and Instagram.
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"cardholder security"
123 articles found
Chargeback
How to Reduce Chargebacks (For Cardholders)
A chargeback is when a cardholder asks the issuing bank to refund a transaction made without their knowledge. It cannot be prevented entirely, but simple precautions can minimize the risk. Here is how the process works and what cardholders should do.
HSM & Security
What is PA-DSS (Payment Application Data Security Standard)?
PA-DSS (Payment Application Data Security Standard) is the Payment Application Data Security Standard set by the PCI SSC, a global security standard created by the Payment Card Industry Security Standards Council.
Credit Card
Do I have to use my physical card when shopping?
In the early years of credit cards, using the card physically was mandatory. With the internet and new technologies, we can now pay with only the card details, 3D Secure and contactless NFC payments, even without the card in hand.
Security
What Is OTP (One-Time Password)?
These are passwords generated for one-time use and sent to the cardholder's phone to verify card transactions in payment systems. The password sent during a 3D Secure transaction is a common example.
ISO 8583
ISO 8583 Field Descriptions (F61)
F61 - POINT OF SERVICE (POS) DATA: This field provides information about the specific status of the POS at the time of the transaction. Position Usage Attribute 1 POS Terminal Attendance Indicator 0 = Attended terminal (Valid for MasterCard debit card and Maestro transactions only).
Payment Systems
What are the 3D Secure Payment Models?
In card payment transactions made via a physical POS device, entering the card's PIN keeps the transaction secure, while in virtual POS transactions, security is provided through the 3D Secure flow. Are 3D Secure payment methods standardized? There are 3 different 3D Secure models.
Credit Card
How is CVV generated?
CVV is a very critical 3-digit value used during a card's authorization process. The CVV value is encoded in the card's magnetic stripe data (Track 1 and Track 2). Is it generated by an algorithm or chosen at random?
Credit Card
Who Wouldn't Want a Credit Card with a Biometric Reader?
Card security is critical in card payment systems. Chip&Pin curbed much fraud, but gaps remain. Cornercard, Gemalto and Visa launched Switzerland's first credit card with a built-in fingerprint reader. Here is how it works.
EMV
What is the Card Block command?
The Card Block command is used after card issuance to deactivate all applications within the ICC, including applications that could be selected indirectly. The components of the command are explained below.
HSM & Security
What Is an HSM? What Is It Used For?
HSM, short for Hardware Security Module, is specialized security hardware built to store sensitive cryptographic keys in a physical environment and to perform cryptographic operations in the most secure way.
Fraud
Can a Contactless Transaction Be Made Without the Cardholder's Knowledge?
Contactless transactions have grown rapidly, but can a payment really be made from your wallet without your knowledge? Here is what the actual risks and safeguards look like.