Hexbyte  Tech News  Wired Bugs in Mobile Credit Card Readers Could Expose Buyers

Hexbyte Tech News Wired Bugs in Mobile Credit Card Readers Could Expose Buyers

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The tiny, portable credit card readers you use to pay at farmer’s markets, bake sales, and smoothie shops are convenient for consumers and merchants alike. But while more and more transactions are passing through them, devices sold by four of the leading companies in the space—Square, SumUp, iZettle, and PayPal—turn out to have a variety…