Massive and growing data breach at Epsilon.


(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.

http://www.reuters.com/article/2011/04/04/us-citi-capitalone-data-idUSTRE7321PI20110404