Robin Sidel and Daisuke Wakabayashi report:
Apple Inc. ’s new mobile-payment system has been hit by a wave of fraudulent transactions using credit-card data stolen in recent breaches of big retailers, including Home Depot Inc. and Target Corp. , people familiar with the matter said.
About 80% of the unauthorized purchases have been for big-ticket items bought with smartphones at Apple’s own stores, one person with knowledge of the situation said.
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