French telco subsidiaries
Data breach with cybersecurity vulnerabilities; fined €42 million by French regulator in Jan 2026
Finance & Banking Data Breaches (11936 indexed)
CommonSpirit Health
19,027 patient records exposing personal and medical information
EVO Banco
2024 API vulnerability exposed financial and identity data of 1.27 million records
Toppan
Supply chain breach exposing vulnerabilities affecting Singapore citizens, banks, and institutions
Suno
Data breach exposed 55 million user accounts on AI music platform
FirstClass Travel Agency
Australian travel agency breached; customer records compromised
ANTS (French ID Agency)
Cyberattack exposed 19 million records with personal data linked to French identity documents
Cell C
Data breach confirmed following 2024 cyberattack affecting major South African telecom provider
French Telecom Subsidiaries
Data breach with cybersecurity vulnerabilities; fined €42 million by French regulator
Telecom subsidiaries (France)
Data breach resulting in €42 million GDPR fines for lack of basic security controls in 2024
EY (Ernst & Young)
Third-party vendor breach exposed sensitive tax client data after 81-day notification delay
KT Corp
Major data breach with significant fine from South Korea's Personal Information Protection Commission
Medical billing company
Ransomware attack exposed protected health data on 1.3 million people; data leaked to dark web
Yearslong data breach of residents' private health-related information
Yearslong data breach of residents' private health-related information
Spectrum (Charter Communications)
Data breach exposed 4.9 million confirmed accounts with 42 million records claimed stolen
FinWise Bank
Data breach affecting 689,000 users with unencrypted personal data accessed
Healthcare billing company network breach
Healthcare billing company network breach exposed sensitive data affecting 1.26 million people
Prosper Marketplace
Among the seven largest banking data breaches of 2025
TriZetto
More than 3 million people impacted by breach of healthcare tech provider software affecting multiple counties
TransUnion
Among the seven largest banking data breaches of 2025
French Telco Subsidiaries
Data breach from 2024 with cybersecurity vulnerabilities; company fined €42 million by French regulator
700Credit
Among the seven largest banking data breaches of 2025
McLaren Health Care
Two ransomware breaches in 2023-2024 affected 3.2+ million patients, $14M settlement
Unauthorized access compromised information; breach reported in 2024
Unauthorized access compromised information; breach reported in 2024