Another Enormous Database Breach Exposed the Private Information of Millions

March 18, 2017

Security researcher Troy Hunt discovered that the email addresses of 33.7 million people working at US companies were for sale on the web this week. They came from a corporate database owned by data services company Dun & Bradstreet. The company denies that its servers were breached, and told ZDNET reporter Zack Whittaker—whose information was part of the leak—that it was looking into how the information got out. Thousands of employees of government agencies were among those affected. And though much of the information was already public either from earlier breaches or because it was listed on public websites, Hunt points out that by collecting it all in one easily searchable place, the information becomes much more useful to bad actors. If you want to see if you’re on the list, you can check on