2024 Casio — 8,500 records (Underground ransomware)
Data compromised
Names, email addresses, addresses, taxpayer IDs, employee data, business partner data
Technical writeup
Casio suffered a ransomware attack in October 2024. Phishing tactics were used to infiltrate the network. The Underground ransomware group exposed data of 6,456 employees, 1,931 business partners, and 91 customers including names, addresses, taxpayer IDs, and internal documents.
Root cause
Ransomware (Underground); phishing