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2. How to spot a credit card skimmer - AOL

   www.aol.com/finance/spot-credit-card-skimmer...

   A card skimmer is a device attached to a card reader, often ATMs or gas station pumps, to “skim” information about your credit or debit card. It may contain a stealth camera that records your ...

3. RFID skimming - Wikipedia

   en.wikipedia.org/wiki/RFID_skimming

   Card-not-present fraud increased rapidly between 2012 and 2016. [5] In the United Kingdom an increase could be seen in card not present fraud - from 750,200 reported cases in 2012, to 1,437,832 reported cases in 2016. [6] However, there are no statistics available regarding RFID skimming, as it is difficult to determine the method of card fraud ...

4. Payment terminal - Wikipedia

   en.wikipedia.org/wiki/Payment_terminal

   PAX Technology S90 credit card terminal with a Visa card inserted.. A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [1]), is a device which interfaces with payment cards to make electronic funds transfers.

5. Card reader - Wikipedia

   en.wikipedia.org/wiki/Card_reader

   A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...

6. Square (financial services) - Wikipedia

   en.wikipedia.org/wiki/Square_(financial_services)

   The Square Reader was the firm's first product. It accepts credit card payments by connecting to a mobile device's audio jack. The original version consisted of a read head directly wired to a 3.5 mm audio jack, through which unencrypted, analog card information was fed to smartphones for amplification and digitization. [52]

7. SumUp - Wikipedia

   en.wikipedia.org/wiki/SumUp

   SumUp’s primary product is an EMV card reader and a number of online payment and bank account system for merchants and businesses. It has over 18 offices across Europe and America. As of 2022 [update] , SumUp supports more than 3.5 million merchants in over 30 markets worldwide, and operates business tools created specifically for the micro ...