The restaurant chain suffered a huge data breach in 2013 and 2014 that compromised customer payment information. Criminals managed to hack the company's point of sale machines and steal credit and debit card data.
The company responded by going low-tech and using age old manual credit card imprinting machines to take payments in its stores, which it then upgraded to new “encryption-enabled terminals”.
It was reported that the company worked with the US Secret Service to discover the identity of the hackers.
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