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Yay, hiss! Cards’ mag stripe ‘fingerprint’ may foil thieves

Jay MacDonald

Lovers of vinyl records know that a certain amount of distortion goes with them — a hiss that is specific to that record. In the wake of the big Scnuck’s grocery store data breach, a California security company found the same applies to the magnetic stripes on credit cards. It’s a discovery that may give credit cards a “fingerprint” able to thwart thievery such as befell Schnuck’s the grocery chain.
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