KT Corp
Data breach resulting in massive fine from South Korea's Personal Information Protection Commission
Technology & Software Data Breaches (11597 indexed)
Tribeca Film Festival
Unprotected database exposed 666,000 records including celebrity contact data with no password or encryption
Unnamed Medical Billing Company
Ransomware attack exposed protected health data on 1.3 million people to dark web
Meta (Facebook)
2019 breach exposed hundreds of millions of Facebook passwords
Intesa Sanpaolo S.p.A.
Employee unlawfully accessed customer data over two years, €31.8m impact
In March 2026, hackers stole personal, financial, and medical information from the
In March 2026, hackers stole personal, financial, and medical information from the company’s AWS environment. The post CareCloud Data Breach Impacts Over 350,000 appeared first on SecurityWeek.
Meta/Facebook
2019 breach exposed hundreds of millions of Facebook passwords; fined $101.5M
MCBS
Data breach affects 1.2 million individuals at Atlanta-based medical business management company
FinWise Bank
Insider breach exposed data of 689,000 customers in 2024
LastPass
2022 breach exposed 1.6 million users, resulted in ICO fine
CommonSpirit Health
19,027 patient records exposing personal and medical information
Unauthorized access compromised information; breach reported in 2024
Unauthorized access compromised information; breach reported in 2024
Essex NHS Trust
Thousands of patient records stolen in cyber attack, disclosed over 6 months after notification
Thousands of NHS patient records stolen in ransomware attack affecting healthcare services
Thousands of NHS patient records stolen in ransomware attack affecting healthcare services
MCBS
Data breach affecting 1.2 million individuals at Atlanta-based medical business management company
Spectrum (Charter Communications)
Data breach exposed 4.9 million confirmed accounts with 42 million records claimed stolen
Medical Billing Company (Unnamed)
2025 ransomware attack exposed protected health data of 1.3 million people leaked to dark web
Suno
Data breach exposed 55 million user accounts on AI music platform
Medical billing company
Medical billing company hit by PEAR ransomware attack, 1.26 million patient records exposed in healthcare billing data breach
Toppan
Supply chain breach exposing vulnerabilities affecting Singapore citizens, banks, and institutions
Thousands of NHS patient records stolen in ransomware attack
Thousands of NHS patient records stolen in ransomware attack
TriZetto
More than 3 million people impacted by breach of healthcare tech provider software affecting multiple counties
Thousands of NHS patient records stolen in major ransomware attack disrupting healthcare
Thousands of NHS patient records stolen in major ransomware attack disrupting healthcare services
French Telco Subsidiaries
Data breach from 2024 with cybersecurity vulnerabilities; company fined €42 million by French regulator