Most Chipotle Mexican Grill restaurants infected with credit card malware

27 May 2017

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Chipotle Mexican Grill yesterday said that it had identified a malware that was responsible for the credit card hack at its outlets earlier this year. The restaurant chain also released a new tool to help customers check whether the restaurant they visited was among those affected.

According to The Verge, Chipotle was not forthcoming on the exact numbers of restaurants hit, but said ''most'' locations nationwide may have been involved.

''The malware searched for track data (which sometimes has cardholder name in addition to card number, expiration date, and internal verification code) read from the magnetic strip of a payment card as it was being routed through the PoS device,'' Chipotle said in a statement. ''There is no indication that other customer information was affected.''

According to The Verge, which claimed to have browsed through the tool, every Chipotle restaurant in every state it operated in, had restaurants that were breached, including those in most major cities.

The restaurants were vulnerable in various time frames between 24 March and 18 April 2017. Another chain operated by Chipotle, Pizzeria Locale was also affected by the hack.

According to Chipotle, not all locations had been identified, but it was a starting guide to check whether customers' visit lined up with the breached period.

According to Chipotle, in such a case customers need to file a police report, contact the Federal Trade Commission, or place a fraud alert or security freeze on their bank account.

In the breach, track data of some customers was collected. Transfer of track data  information happens when a credit card's magnetic strip is swiped through  the point-of-service device.

According to Chipotle, the information could have included the cardholder's name, card number, expiration date and verification code.

"There is no indication that other customer information was affected," the company said in a statement yesterday.

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