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[Connieb_1]

This may be old news, and if so, please excuse.

NEW YORK (Reuters) – The names and e-mails of customers of Citigroup Inc and other large U.S. companies, as well as College Board students, were exposed in a massive and growing data breach after a computer hacker penetrated online marketer Epsilon.

In what could be one of the biggest such breaches in U.S. history, a diverse swath of companies that did business with Epsilon stepped forward over the weekend to warn customers some of their electronic information could have been exposed.

Drugstore Walgreen, Video recorder TiVo Inc, credit card lender Capital One Financial Corp and teleshopping company HSN, Inc all added their names to a list of targets that also includes some of the nation's largest banks.

"We learned from our e-mail provider, Epsilon, that limited information about you was accessed by an unauthorized individual or individuals," HSN, also an e-commerce operator, said in an e-mail to customers on Sunday.