10 June 2011

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Hackers Hack Citigroup Bank Customers Data – Citi Customers to receive new Cards

Hackers Hack Citigroup Bank Customers Data –
Citi Customers to receive new Cards –

Citigroup acknowledged and said that during routine monitoring, we recently discovered unauthorized access to City’s account online.
City bank said that “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.

Financial Times, which reported the story, said Citi has about 21 million North American customers, so it's probably closer to 210,000.

Citi said it is contacting affected customers and has "implemented enhanced procedures to prevent a recurrence of this type of event."

Citi said that most customers will also receive a replacement card.

Citi also said that 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.”

There has been no impact on any of our Asia-Pacific customers

Citigroup was reported to have been breached by hackers tied to a Russian group in 2009, and before that in 1995.

Reality views by sm –
Friday, June 10, 2011

Tag – Citi group Hacked
Keyword – Hackers Citi North America


Renu June 10, 2011  

Looks like they have loopholes in their online security...but I feel very scared with this info.

deeps June 10, 2011  

thats nt really a good news evn if the culprits are booked!!

Anjuli June 10, 2011  

With all the updated technology, I wonder why the loop holes can't be sealed up so that this important companies cannot be hacked. :(

sm,  June 10, 2011  


sm,  June 10, 2011  


sm,  June 10, 2011  


Jeane M. June 10, 2011  

Another case of hack attack, geesh all things involving online transaction makes me skeptical these days. After sony, all company should not be overconfident of their networks capability. Prevention is always advised than cure. outsourcing company

SM June 10, 2011  


Citi Public Affairs June 14, 2011  

Citi's official statement: Citi immediately rectified the data breach upon discovery, while also placing internal fraud alerts and monitoring on all accounts at risk. Simultaneously, we began analysis to determine the precise accounts and type of information accessed, which resulted in roughly 1 percent of North America Citi-branded credit cards. Within three weeks -- June 3 precisely -- we began sending notification letters to clients, the majority of which included re-issued credit cards.

sm,  June 14, 2011  

Citi Public Affairs,,

Kirtivasan Ganesan June 15, 2011  

It is important to know how hacking can be done.

The easiest way is impersonation. Then I think will be to become a user. In India I have read that impersonation is very common. Some fellow logs into a system impersonating someone else and does whatever he wants.

One way would be to put patriotic questions and check the knowledge of the user. This mechanism will work in PMO and other high profile areas.

sm,  June 15, 2011