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Email Breach Widens to Citigroup, Other Firms

Sunday, 03 Apr 2011 03:13 PM

Citigroup Inc., Capital One Financial Corp., Walgreens and TiVo Inc. were all part of a big data breach that exposed the names and email addresses of customers of several U.S. companies, including some of the nation's largest banks.

The online marketer Epsilon, a unit of Alliance Data Systems Corp., said on Friday that a person outside the company hacked into some of its clients' customer files. The vendor sends more than 40 billion email ads and offers annually, usually to people who register for a company's website or give their email addresses while shopping.

Since then a diverse and widening swath of companies, from banks to drugstores to video recorders, have said their clients were exposed.

Citigroup customer names and some credit card customers' email addresses — but no account information — were part of the data breach, the third-largest U.S. bank said on Saturday.

Capital One, the credit card lender, and Walgreens, the largest U.S. drugstore, said the Epsilon hacker accessed its customer email addresses, but no personally identifiable information.

TiVo, a maker of digital video recorders, said the information that was obtained was limited to email addresses and clients' first names.

Law enforcement authorities are investigating the breach, Walgreens said. Epsilon is also investigating what went wrong.

JPMorgan Chase & Co., the second-largest U.S. bank, and Kroger Co., the biggest U.S. supermarket operator, said on Friday that some customers had their names and email addresses exposed as part of the data breach.

Citigroup announced that it had been affected on Saturday evening. Spokesman Sean Kevelighan said the bank started informing its customers of the breach on Friday through a link on its website.

Some of Epsilon's other clients include Verizon Communications Inc., Blackstone Group LP's Hilton Hotels, Kraft Foods Inc., and AstraZeneca.

© 2017 Thomson/Reuters. All rights reserved.

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Citigroup Inc., Capital One Financial Corp., Walgreens and TiVo Inc.were all part of a big data breach that exposed the names and email addresses of customers of several U.S. companies, including some of the nation's largest banks. The online marketer Epsilon, a unit of...
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2011-13-03
 

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