By: Bill Waters - Staff Writer
Published: Jun 10, 2021

Citigroup’s Customer Database Gets Hacked

Citigroup admits it was hacked. The 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.

While information concerning customers’ names, credit card numbers, addresses and e-mail addresses was exposed, the bank said that data like the “Social Security number, date of birth, card expiration date and card security code were not compromised.”

Citi is notifying cardholders who have been affected via mail, as well as via their online accounts. Most customers will also receive a replacement card, the company said.

“Citi has implemented enhanced procedures to prevent a recurrence of this type of event,” the bank said. “For the security of these customers, we are not disclosing further details.”

While no group has claimed responsibility for the breach, it is part of a spate of recent cyberattacks.

Sony has reported a series of assaults on its PlayStation network and several Sony Web sites — one hacker site says there have been 18 so far — after the company sued, and then settled with, a programmer who had cracked the PlayStation code. Other attacks have hit PBS, Fox and an F.B.I. affiliate known as Infragard. And most worrying of all, perhaps, they compromised the security system of RSA, maker of the popular SecurID.

Initially, Citigroup denied that they were hacked because they were still investigating.


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