Change Healthcare (Ongoing Fallout)
Continued discovery of exposed records — total revised upward to 190M affected individuals
2025 Data Breaches (644 indexed)
Frame & Optic
15,678 records exposed — Email addresses, Geographic locations, Names, Phone numbers
SoFi Technologies
810K customer records exposed — personal loan applications and investment account data
Welhof
107,292 records exposed — Email addresses, Names, Physical addresses, Purchases
Ascension Health (Former Partner)
437K patient records stolen from former business partner system
Otelier
436,855 records exposed — Email addresses, Names, Partial credit card data, Phone numbers and 3 more
BrightSpring Health Services
3.4M home health and pharmacy patient records exposed in ransomware incident
MSI
249,990 records exposed — Email addresses, Names, Phone numbers, Physical addresses and 1 more
Le Coq Sportif Columbia
79,712 records exposed — Dates of birth, Device information, Email addresses, Genders and 5 more
Hamilton-Wentworth District School Board
2.7M student records including SINs exposed in Canadian school board cyberattack
Schneider Electric
40GB of internal data including project files stolen in Cactus ransomware attack
Mizuho Financial Group (Japan)
800K customer records exposed via compromised online banking portal — yen transfers affected
Conduent Business Services
10.5M individuals affected — SafePay ransomware targeting government health contracts
British Library
600K patron records and internal HR data published after Rhysida ransomware demand refused
Concentra Health (2025)
890K patient records exposed in vendor platform breach
University of Michigan (2025)
380K current and former students affected by follow-up data exposure from 2024 breach
Eindhoven University of Technology
Cyberattack forced campus-wide network shutdown — classes cancelled for a week
Scholastic
4,247,768 records exposed — Email addresses, Names, Phone numbers, Physical addresses
MongoDB Atlas
Customer metadata and contact information accessed via compromised corporate systems
SuperDraft
300,187 records exposed — Dates of birth, Email addresses, Geographic locations, Latitude and longitude pairs and 3 more
SuperDraft
300,187 records exposed — Dates of birth, Email addresses, Geographic locations, Passwords and 2 more
University of Toronto (Canada)
87K student records exposed via compromised student information system — transcript data
Sony (Insomniac Games)
1.3TB of game development data including Wolverine assets and employee records leaked by Rhysida
MIT Lincoln Laboratory
Defense research data accessed — classified project metadata and researcher identities exposed