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Citi Says Credit Card Customers’ Data Was Hacked

Citigroup acknowledged on Thursday that unidentified hackers had breached its security and gained access to the data of hundreds of thousands of its credit card customers in North America.

“During routine monitoring, we recently discovered unauthorized access to Citi’s account online,” the bank said in an e-mailed statement. “We are contacting customers whose information was impacted.”

The bank said about 1 percent of its North American credit card holders had been affected, putting the total count of customers exposed in the hundreds of thousands, based on its annual report for 2010, which said it had about 21 million credit card customers in North America. More...

06-09-2011 17:50