Jimmy John’s, the Illinois-based sandwich chain, has confirmed a massive credit card security breach that has affected 216 stores nationwide, including locations in Alabama, Arizona, Florida, Illinois, Michigan, and more. The data breach occurred between June 16 and September 5 of this year. The full list of locations involved can be seen here. The method of data theft used seems to have been credit card skimming, in which the vendor’s login information was taken, and from there the hackers remotely accessed the system’s database.
“Cards impacted by this event appear to be those swiped at the stores, and did not include those cards entered manually or online,” said Jimmy John’s in a statement. The credit and debit card information at issue may include the card number and in some cases the cardholder’s name, verification code, and/or the card’s expiration date. Information entered online, such as customer address, email, and password, remains secure.”
Jimmy John’s has also said that they are currently working with authorities to get to the bottom of the matter.
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Joanna Fantozzi is an Associate Editor with The Daily Meal. Follow her on Twitter@JoannaFantozzi