2023 Nebu — 2.5M across 190 organizations
Data compromised
Names, emails, phones, survey responses, income data
Technical writeup
Survey software supplier breached. Unauthorized access to Nebu systems; 2.5M people across ~190 orgs. Included VodafoneZiggo (700K), NS (780K), pension income data. Court ordered Nebu to provide full breach info; €25K/day penalty up to €500K.
Root cause
Hacking