Major Security Breach Compromised Millions of Credit Card Users’ Emails

This past weekend, hackers breached a high-profile technical company called Epsilon.Capitol One, Barclays, U.S. Bancorp, JPMorgan Chase and Citigroup are all Epsilon clients, along with several other companies in various industries. Reuters speculated it could be one of the biggest hacks in U.S. history.

Epsilon confirms that its database has been hacked and consumers’ names and email information have been compromised. The company is warning consumers of targeted junk mail and “phishing” schemes.

Consumers should be wary of targeted spam mail, which may name a consumer and ask for specific login information.College students’ e-mail’s may also be at risk, as hackers accessed the College Board, the company that runs the SAT database, The Associated Press reported. Other retailers such asBest Buy, TiVo, Walgreen’s, Kroger, and Walt Disney’s Disney Destinations have been affected.

Disney Destinations sent email messages warning customers on Sunday.

Epsilon sends more than 40 billion emails annually and has more than 2,500 clients.

Epsilon also manages email for a variety of companies including the U.S. Department of Defense,Department of Energy, Department of the Interior, and Department of Homeland Security, as well as major credit card companies.

"While we are cooperating with authorities and doing a thorough investigation, we cannot say anything else," said Epsilon spokeswoman Jessica Simon. "We can't confirm any impacted or non-impacted clients, or provide a list (of companies) at this point in time."