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Card skimming and copied card details

Credit Card

What Should I Do If My Card Details Are Copied?

Card copying usually happens with magnetic stripe debit cards. As soon as you notice your card details have been copied, you can close the card, renew it or change its PIN.

Diagram illustrating ISO 8583 Field 61 Point of Service (POS) data structure

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).

Illustration representing credit and debit card fraud

Credit Card

Credit Card/Debit Card Fraud

Credit card fraud is generally committed using the card itself, using card details without the card, via excess or duplicate withdrawals, or by seizing identity information. ATM card trapping is common, since ATMs hold the card during the transaction.

Diagram of ISO/IEC card standards defining credit card dimensions and layout

Credit Card

Standards that define credit card design and operation

When payment systems come to mind, credit cards are usually the first thing people think of. Credit cards are produced according to specific standards, both in visual design and during printing. These standards belong to the ISO/IEC 781X family.

Card skimming device attached to an ATM card reader slot

Fraud

What Is Card Skimming?

Card skimming is the theft of card information by copying it with the help of a device. Because data inside the chip is very difficult to steal, chip cards are far more secure than magnetic-stripe cards. Turkey is very advanced in card security technology.

Close-up of a bank card's chip failing to be read by a POS terminal

Credit Card

What should I do if my card's chip isn't reading?

If your card's chip won't read, the chip data is likely corrupted or the POS's chip reader is faulty. This is usually caused by magnetic interaction with another card's chip.

ISO 8583 field 35 Track 2 data

ISO 8583

ISO 8583 Field Descriptions (F35)

The card's Track 2 data is carried in this field. Track 2 data contains information such as the card number, expiry date and service code.

Illustration of ISO 8583 message format

ISO 8583

ISO 8583 Field Descriptions (F35)

F35 TRACK-2 DATA: The values printed to the card's Track 2 data in ISO 7813 format, including field separators and start/end sentinels, but excluding LRC (Longitudinal Redundancy Check) characters. It is 37 characters long.

Comparison chart showing the differences between CVV and CVV2 security codes

Credit Card

What Is the Difference Between CVV and CVV2?

CVV (CVC) and CVV2 (CVC2) are two terms that cardholders often confuse. Both are used for verification in card transactions, but there are notable differences between them, such as where each is printed and which transactions use it.

Close-up of a credit card showing the embossed cardholder name

Credit Card

Can the emboss name be printed on a card without limit?

The customer's name and surname printed on credit and debit cards is called the emboss name. But can the name be printed on a card without any limit? There is a defined field for all information printed on a card, and these fields have specific standards.

Illustration of a credit card showing standard ISO/IEC 7810 and 7811 design features

Credit Card

What is a Credit Card?

A credit card is a printed card, or a card number with no physical form, that allows the purchase of goods and services or cash withdrawal without using cash. So how are credit card limits set and managed? Setting a limit involves checking many parameters about the customer.