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.
The names and electronic contacts of some students affiliated with the U.S.-based College Board -- which represents some 5,900 colleges, universities and schools -- were also potentially compromised. The names and e-mails of customers of Citigroup Inc and other large U.S. companies,More customers exposed as big data breach grows - Yahoo! Finance=