Specifically, Marriott Rewards, Ritz-Carlton Rewards and Hilton have had some information affected by the breach, the story says. On Monday, Marriott posted information about the breach on its website and sent emails to customers informing them about it.

Cnet.com says that most of the companies that are talking about the breach say the information that was stolen is limited to email addresses and possibly names. But e-mail addresses in the wrong hands can be dangerous, since it will likely give rise to more "phishing" scams where scammers e-mail you to try to get you to reveal more personal information.

Get the full story at USA Today

Read also "Massive Breach at Epsilon Compromises Customer Lists of Major Brands" at Security Week, and "Marriott responds to data breach at email provider Epsilo" at Marriott, and "Epsilon's Security Breach Exposes Troubling Trend" at ClickZ