Sears Holding Corp. said Friday the payment systems at its Kmart retail chain had been breached as a result of malware, compromising shoppers’ credit and debit card numbers.
The U.S. retail chain’s payment systems were infected with a form of malware that went undetected by its anti-virus systems, Sears said. There is no evidence that Kmart shoppers’ personal information, PIN numbers, email addresses or Social Security numbers were stolen, and the malware has since been removed, Sears said.
A forensic investigation indicates that the breach began in early September, Sears said. Kmart’s IT team discovered the breach only this Thursday.
Sears did not have enough information to say roughly how many credit and debit card numbers were compromised, a spokesman said in an interview.
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