U.S. Civil Service/White House
Thousands of civil servants' passwords exposed since early 2024, including some linked to White House
2026 continues the year-over-year growth trend in confirmed disclosures. The list below updates as new breaches are reported by Verizon DBIR partners and major security news outlets.
Thousands of civil servants' passwords exposed since early 2024, including some linked to White House
Data breach from 2024 with cybersecurity vulnerabilities; company fined €42 million by French regulator
2025 ransomware attack exposed protected health data of 1.3 million people leaked to dark web
Unprotected database exposed 666,000 records including celebrity contact data with no password or encryption
2025 ransomware attack exposed protected health data on 1.3 million people to dark web
Thousands of patient records stolen in cyber attack, disclosed over 6 months after notification
API vulnerability exposed financial and identity data of 1.27 million records in 2024
2018 data breach resulted in €251 million fine from EU privacy regulator in December 2024
Among the seven largest banking data breaches of 2025
11 million gaming account credentials exposed in 2024 data leaks discovered by Kaspersky
Student and teacher data breached at education software provider
Hospital patient records for 13,000 patients in New Jersey exposed via cyberattack
Healthcare billing company network breach exposed sensitive data affecting 1.26 million people
Ransomware attack exposed personal data of 1.2 million individuals
Over 11 million gaming account credentials exposed and found on dark web
Third-party data breach exposed patient information at multiple facilities
Employee unlawfully accessed customer data over two years, €31.8m impact
Third-party data breach exposed patient information at hospital facilities
Data breach requiring $40M settlement in class action lawsuit
Third-party vendor breach exposed tax client data after 15-day intrusion
Australian healthcare provider breach exposed personal information and medical details across 21 clinics
2019 breach exposed hundreds of millions of Facebook passwords; fined $101.5M
2019 breach exposed hundreds of millions of Facebook passwords
Data breach resulting in massive fine from South Korea's Personal Information Protection Commission