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Neiman Marcus: Hackers stole customers’ payment information

Luxury merchant Neiman Marcus confirmed Saturday that thieves stole some of its customers’ payment-card information and made unauthorized charges over the holiday season, becoming the second retailer in recent weeks to announce it had fallen victim to a cyber-security attack.

The hacking, coming weeks after Target revealed its own hack, underscores the increasing challenges merchants have in thwarting security breaches.

Ginger Reeder, spokeswoman for Neiman Marcus Group, said in an e-mail Saturday that the retailer had been notified by its credit-card processor in mid-December about potentially unauthorized payment activity. On Jan. 1, a forensics firm confirmed evidence of the intrusion.

Reeder wouldn’t estimate how many customers may be affected. Neiman Marcus, which operates more than 40 upscale stores and clearance stores, is working with the Secret Service on the breach, she said.