2014 — Verizon: The security issue, uncovered by research from…
Data compromised
Personal information
Technical writeup
The security issue, uncovered by research from cybersecurity firm UpGuard, was caused by a misconfigured security setting on a cloud server due to human error. The error made customer phone numbers, names, and some PIN codes publicly available online. PIN codes are used to confirm the identity of people who call for customer service.No loss or theft of customer information occurred, Verizon told CNN Tech.UpGuard -- the same company that discovered leaked voter data in June -- initially said the
Root cause
Unintended disclosure