cnp Interview Questions and Answers

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100 CNP Interview Questions and Answers

  1. What is a CNP transaction?

    • Answer: A CNP (Card Not Present) transaction is a credit or debit card transaction where the cardholder is not physically present at the point of sale. This includes online purchases, phone orders, and mail-order transactions.

  2. What are the risks associated with CNP transactions?

    • Answer: CNP transactions are significantly more vulnerable to fraud due to the lack of physical verification of the cardholder. Risks include stolen card details, unauthorized purchases, and account takeover.

  3. Explain 3D Secure (Verified by Visa/Mastercard SecureCode).

    • Answer: 3D Secure adds an extra layer of security to CNP transactions by authenticating the cardholder through a password or one-time code from their bank. It reduces fraud by verifying that the cardholder is authorized to use the card for online purchases.

  4. What is AVS (Address Verification System)?

    • Answer: AVS verifies the billing address provided by the cardholder against the address on file with the card issuer. A match increases the likelihood of a legitimate transaction.

  5. What is CVV2/CVC2?

    • Answer: CVV2 (Card Verification Value 2) and CVC2 (Card Verification Code 2) are three- or four-digit security codes printed on the back or front of credit and debit cards. They are used to verify that the cardholder possesses the physical card.

  6. How does fraud detection work in CNP transactions?

    • Answer: Fraud detection in CNP transactions relies on a combination of techniques, including rule-based systems, machine learning, and behavioral analysis. These systems analyze transaction data to identify suspicious patterns and flag potentially fraudulent activity.

  7. What is chargeback?

    • Answer: A chargeback is a reversal of a credit or debit card transaction initiated by the cardholder's bank due to a dispute, typically involving unauthorized purchases or faulty goods/services.

  8. What are some common types of CNP fraud?

    • Answer: Common types include stolen card details (obtained through phishing, data breaches, etc.), account takeover, friendly fraud (where the cardholder disputes a legitimate charge), and synthetic identity fraud.

  9. What is the role of a payment gateway in CNP transactions?

    • Answer: A payment gateway facilitates the secure transfer of payment information between the merchant and the payment processor. It encrypts sensitive data and processes transactions.

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