Yahoo confirms biggest data breach everTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video09/23/2016September 23, 2016If you've got a Yahoo mail account, there's cause for concern. The internet giant says hackers have stolen the personal information of some 500 million users. It is the biggest data breach in history.https://p.dw.com/p/1K7BNAdvertisement