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The theft of consumer data from Neiman Marcus appears far deeper than had been disclosed originally, with the company now saying that hackers invaded the luxury retailer’s systems for several months in a breach that involved at least 1.1 million credit and debit cards.
In a statement posted on its website Wednesday night, Neiman Marcus said that malware had been installed in its system and had pulled payment data off cards used from July 16 to Oct. 30. MasterCard, Visa and Discover have told the company that about 2,400 cards used at Neiman Marcus and its Last Call outlet stores have since been used fraudulently.