Breachesby GlyphUniversity of Hawaii Cancer Center
Disclosed Jan 12, 2026Confirmed
Ransomware at UH Cancer Center exposes data of nearly 1.2 million people
The University of Hawaii said a ransomware gang breached the Cancer Center's epidemiology division in August 2025 and stole research files, including 87,493 cohort study participants and older records with SSNs and driver's license numbers, for nearly 1.2 million people in total. The university paid for decryption and data destruction.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Jan 12, 2026 |
| Discovered | Aug 2025 |
| Attack | Ransomware |
| Data exposed | NamesSocial Security numbersGovernment IDsHealthEmails |
| Sector | Education · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at University of Hawaii Cancer Center
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.