BrightSpring Health Services
3.4M home health and pharmacy patient records exposed in ransomware incident
2025 Data Breaches (637 indexed)
Otelier
436,855 records exposed — Email addresses, Names, Partial credit card data, Phone numbers and 3 more
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
Mizuho Financial Group (Japan)
800K customer records exposed via compromised online banking portal — yen transfers affected
British Library
600K patron records and internal HR data published after Rhysida ransomware demand refused
Conduent Business Services
10.5M individuals affected — SafePay ransomware targeting government health contracts
University of Michigan (2025)
380K current and former students affected by follow-up data exposure from 2024 breach
Schneider Electric
40GB of internal data including project files stolen in Cactus ransomware attack
Concentra Health (2025)
890K patient records exposed in vendor platform breach
Hamilton-Wentworth District School Board
2.7M student records including SINs exposed in Canadian school board cyberattack
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
Eindhoven University of Technology
Cyberattack forced campus-wide network shutdown — classes cancelled for a week
Sony (Insomniac Games)
1.3TB of game development data including Wolverine assets and employee records leaked by Rhysida
SuperDraft
300,187 records exposed — Dates of birth, Email addresses, Geographic locations, Passwords and 2 more
MIT Lincoln Laboratory
Defense research data accessed — classified project metadata and researcher identities exposed
University of Toronto (Canada)
87K student records exposed via compromised student information system — transcript data
Petrobras (Brazil)
890K employee and operational records exposed
T-Mobile Polska
340K subscriber records exposed
Iberdrola
560K customer records exposed in vendor breach
CommonSpirit Health (Follow-Up)
870K additional patient records identified from 2024 ransomware attack residual access
Tokyo Metropolitan Government
670K citizen records compromised in targeted attack
Frederick Health Medical Group
934K patient records compromised in ransomware attack on Maryland healthcare group