INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

University of Hawaii Cancer Center Experiences Ransomware Breach Incident

| 2026-03-04 15:07 CRITICAL LOW RANSOMWARE & EXTORTION DATA BREACH
JSON
Executive Summary
AI-generated
A major security breach at the University of Hawaii Cancer Center, detected on August 31, 2025, involved a ransomware attack targeting its research systems. The breach affected approximately 1.24 million individuals, with two main groups impacted: about 1.15 million people whose personal details were found in historical records collected from voter registration and the Department of Transportation between 1998 and 2000; and 87,493 participants of the Multiethnic Cohort Study. The stolen files included names, addresses, SSNs, and health-related information. Experts note that these types of attacks on the healthcare industry are not slowing down, with Guru Gurushankar from ColorTokens stating this in a recent comment.
Technical Mitigations AI-generated
• Deploy immutable, offline backups that cannot be easily reached by automated ransomware strains. • Enforce aggressive network segmentation to prevent attackers from accessing sensitive data. • Use a robust encryption key management system to protect against decryption tool exploitation.
Technical Observables Login Required
Indicators of Compromise (IoCs) Protected

Raw threat telemetry, malicious IP addresses, file hashes, and direct VirusTotal correlation are restricted to authenticated users.

Sign In to View 1 IoCs Create Free Account
ha•••••.com
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
Global Scope educationeducation governmentgovernment healthhealth
Incident Timeline
‎June 2023
Threat actors launched a ransomware attack on the University of Hawaii Cancer Center in June 2023, affecting approximately 1.2 million people.
financial $1 months
Image credit: Hackread.com If you are concerned your details were involved, the university is offering 12 months of free credit monitoring and $1 million in identity theft insurance.
‎August 2025
The University of Hawaii Cancer Center experienced a ransomware breach in August 2025, resulting in the theft of approximately 65GB of sensitive data.
data_breach 65 GB
In June 2023, the NoEscape ransomware group claimed a breach at the university and said it stole 65GB of sensitive data.
infrastructure 87,493 participants
The second group includes 87,493 participants of the long-running Multiethnic Cohort (MEC) Study, which started in 1993, and followed residents from Hawaii and Los Angeles , California.
Tactical Metrics
Metrics
data_breach
65
Gb
In June 2023, the NoEscape ransomware group claimed a breach at the university and said it stole 65GB of sensitive data.
Metrics
infrastructure
87,493
Participants
The second group includes 87,493 participants of the long-running Multiethnic Cohort (MEC) Study, which started in 1993, and followed residents from Hawaii and Los Angeles , California.
Metrics
financial
1,000,000
Months
Image credit: Hackread.com If you are concerned your details were involved, the university is offering 12 months of free credit monitoring and $1 million in identity theft insurance.
Intelligence Sources
HackRead 2026-03-04