All Breaches
OneBlood Data Breach
In July 2024, OneBlood, a non-profit blood donation organization serving more than 250 hospitals across the southeastern United States, fell victim to a disruptive RansomHub ransomware attack.
500 Thousand
Affected People
5
Data Types
High
Severity
Oct 27, 2026
Last updated
Exposed Data Types
2 sensitive5- Medical records
- Medical treatment information
- Names
- Dates of birth
- Contact information
About This Breach
The incident severely impacted blood management logistics and compromised approximately 500,000 donor and clinical coordination records.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
Report missing or incorrect information
