(Bloomberg) — Sears Holdings Corp.'s Kmart discount chain said 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 Oct. 9 and is working with a security firm to assess the incursion, which happened in early September, Kmart said in an Oct. 10 filing. Customer payment-card information was probably exposed by the attack.
"According to the security experts Kmart has been working with, the Kmart store payment datasystems 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 and credit card numbers have been compromised."
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