2017 — Dun & Bradstreet: A 52GB database from Dun & Bradstreet's NetProspex…
Data compromised
Names, job titles, emails, phones, work locations
Technical writeup
Mar 2017. A 52GB database from Dun & Bradstreet's NetProspex service was exposed containing ~33.6M corporate and government employee records. Included names, job titles, emails, phones, work locations. DoD had 101k records; USPS 88k; AT&T, Boeing, Dell, FedEx, IBM, Xerox heavily represented. Troy Hunt obtained and published findings. D&B denied breach of its systems.
Root cause
Database exposure; source unclear (D&B or customer).