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Ransomware

University of Hawaii Cancer Center ransomware leaks data of about 1.2 million

First reported · Last reported · 8 related reports

The University of Hawaii Cancer Center was hit by a ransomware attack and later confirmed a personal data leak. In February 2026 it announced a cyberattack that affected personal information, and in March the number of people affected was reported to be about 1.2 million.

Key facts

Affected organization
University of Hawaii Cancer Center
Incident type
Ransomware
Occurred / detected
Not confirmed
Scale of damage
Personal information of about 1.2 million people
Cause / method
Ransomware attack
Location
United States

Timeline

  1. It was reported that the University of Hawaii Cancer Center had been hit by a ransomware attack.
  2. The University of Hawaii announced that personal information had been affected by the cyberattack on the cancer center.
  3. The cancer center confirmed a data leak resulting from the ransomware attack.
  4. The number of people affected by the personal data leak was reported to be about 1.2 million.

8 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.