Despite its convenience and speed of processing, RFID cards have a number of disadvantages and greater concern for the safety of traditional means of credit processing. Scanning devices that can be purchased online cheap, anyone can access the card details just walking by someone with an RFID card in your wallet or purse. The owner of the credit account will not have any indication that your card has been accessed by the scanner. Once the thief has the information of the card, which theoretically can be used to make purchases by phone or internet or have a separate card with that information created for use on swiped transactions.
Some RFID card issuers have created new security measures to make it more difficult or impossible for thieves to analyze the data with unauthorized devices. According to the Smart Card Alliance, contact less
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