PHOENIX — Sprouts Farmers Markets here said that 19 of its stores in Arizona and California were affected by a point-of-sale malware attack that may have compromised customer credit card data.
Sprouts said the breach occurred between Jan. 25 and 29, depending on the affected stores. The retailer said it was working with law enforcement authorities and forensic experts to determine who might be responsible for the attack, which Sprouts said may have exposed certain debit and credit card numbers — but not PIN numbers — of shoppers at the affected stores.
The retailer became aware of the breach through routine security measures “within days” of the attack.
“After confirming that the illegal software was no longer functioning, Sprouts engaged a data security firm to strengthen its point of sale procedures and add additional protections for customer information in all of its 151 stores. As one of those additional protections, Sprouts was able to quickly identify and replace the affected credit card terminals,” the company said in a statement.
Sprouts urged customers who used credit cards at affected stores to monitor their bank accounts for suspicious activity.
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