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Citi says 3,60,000 customers hacked in May cyber attack

Citi says 3,60,000 customers hacked in May cyber attack
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First Published: Thu, Jun 16 2011. 10 14 AM IST
Updated: Thu, Jun 16 2011. 10 14 AM IST
New York: Citigroup Inc said a cyber attack in May affected over 3,60,000 of its customers, or almost twice the initial number that the bank’s figures had suggested.
After a week of being pressured over its delayed disclosure of the data breach, the third largest US bank by assets revealed more details in a statement late on Wednesday.
The breach, which Citigroup first made public on 8 June, was initially detected on 10 May.
A total of 360,083 North American Citigroup credit card accounts were affected by the breach, the bank said.
The bank said about 1% of North American card customers had been affected, reiterating comments made last week.
But the bank’s annual report says that number of customers totals 21 million, which initially indicated that about 2,00,000 rather than over 3,60,000, customers had been affected.
Citigroup said it had reissued credit cards to 217,657 accounts along with a notification letter, Citi said.
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First Published: Thu, Jun 16 2011. 10 14 AM IST
More Topics: Citigroup | Cyber attack | Internet | Bank | US |