Kmart to track customers' credit after data theft

Atlanta

SEARS Holdings Corp's Kmart discount chain said that it will provide customers with free credit monitoring as it investigates a computer hacker breach detected last week.

The retailer's information technology team identified the breach on Thursday and is working with a security firm to assess the incursion, which happened in early September, Kmart said in a filing on Friday. Customer payment-card information was probably exposed by the attack.

"According to the security experts that Kmart has been working with, the Kmart store payment data systems were infected with a form of malware that was undetectable by current anti-virus systems," the company said in the filing. "Kmart was able to quickly remove the malware. However, Kmart believes certain debit …