2026 University of Hawai'i Cancer Center — 1.15M records (ransomware)
Data compromised
SSNs, driver's licenses, names, health research data, PHI
Technical writeup
The University of Hawai'i Cancer Center suffered a ransomware attack affecting approximately 1.15 million records. Exposed: Social Security numbers, driver's license numbers, names, and health research data from historical epidemiology records including 2000 State Department of Transportation records and 1998 voter registration data. Additionally, 87,493 Multiethnic Cohort Study participants had protected health information compromised. The university established a call center (844-443-0842) for credit monitoring and identity protection services.
Root cause
Ransomware attack