In a highly unusual move, electronic payment vendor VeriFone Wednesday said it found a “gaping” security hole in a free plug-in mobile credit card reader from Square, a startup launched by Twitter ...

Learn about free and cheap iPhone credit card readers and explore technologies like tap to pay that enable you to accept payments without a card reader. In my evaluation, here are the best free and ...

VeriFone CEO Doug Bergeron’s appears to have touched a nerve with his statement Wednesday that startup Square should recall all the mobile credit card readers it has distributed for free so far ...

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