Sergiu Gatlan reports:
U.S. fast-food restaurant chain Krystal disclosed a security incident involving one of is payment processing systems and affecting some of its restaurants between July and September 2019.
[…]
Krystal says that “the security incident may have involved payment cards processed by a payment processing system used at certain restaurants” and that not all of its locations have been affected by this incident seeing that the restaurant chain “uses multiple payment processing systems” and only one of them was compromised.
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