Sonic Drive-In Data Breach Potentially Exposes 5m Customer Credit Cards

However, Krebs noted that it is still unclear whether Sonic is the only company whose customers' cards were being sold in the Firetigerr batch.

Customers of the fast food chain Sonic may be the victims of another credit card data breach being made public.

Sonic has a single point-of-sales system that is used by the majority of its roughly 3,600 locations, according to Business Insider.


To determine a connection between the Sonic rumors and the new stolen haul, Krebs then had sources buy cards from the stolen cache, for $25-$50 per card.

The fast-food company confirmed to KrebsOnSecurity that its credit-card processor informed the chain last week of "unusual security regarding credit cards being used at Sonic".

In a statement released to KrebsOnSecurity, Sonic says it is working with law enforcement and third-party forensic experts to determine the scope of the issue. According to reports, as many as five million customers could possibly have been affected by the breach. It said it would communicate additional information as it is able.


"The security of our guests' information is very important to Sonic", the company told IBTimes UK.

Sonic has over 3,500 restaurants across the USA, including 17 in New Jersey, 15 in NY and four in CT.

Sonic Drive-In is the latest in a slew of U.S. restaurants and hospitality chains to suffer a major data breach.



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