INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).
Novocure Experiences Data Breach Affecting Over 1,400 Cancer Patients Worldwide
| 2026-09-01 14:28 CRITICAL LOW DATA BREACH
Executive Summary
AI-generated
A mid-August cyberattack on Novocure, a global oncology company, exposed the data of an undisclosed number of employees and more than 1,400 U.S. cancer patients. The attackers accessed over 1,400 patient records with ID numbers but did not contain patient names or other identifying data. For fewer than 50 other patients in the western U.S., the threat actors also accessed identifying information and general contact information for healthcare providers. Novocure's systems are fully functional, and no access to medical treatment devices was obtained. The company is evaluating regulatory and legal notification requirements and will make all required notifications based on its findings. This incident adds to a series of cyberattacks affecting healthcare companies over the last month, including data breaches at Unlimited Technology Systems in October 2025 and CareCloud in March, which impacted more than 3.8 million people combined.
Technical Mitigations AI-generated
• Reset credentials and API keys that may have been exposed, and review access logs for the affected accounts or integrations.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
ShinyHuntersShinyHunters
Target & Sectors
MIDDLE_EAST
MIDDLE_EAST
EUROPE
EUROPE
NORTH_AMERICA
NORTH_AMERICA
healthhealth
Incident Timeline
2026/09/01
Threat actors accessed identifying information and general contact information for fewer than 50 patients in the western U.S, as well as over 1,400 cancer patient records with ID numbers.
Click on any entity below to view its context and source!
infrastructure
3.8
…healthcare software company Unlimited Technology Systems disclosed
that a data breach in October 2025 affected more than 3.8 million people, while
healthcare IT company CareCloud said
that a March data breach has impacted over 3.7 million indi…
infrastructure
3.7
…care software company Unlimited Technology Systems disclosed
that a data breach in October 2025 affected more than 3.8 million people, while
healthcare IT company CareCloud said
that a March data breach has impacted over 3.7 million individuals.
threat_actor
ShinyHunters
…gating a data breach
involving information theft from company servers and
pharmaceutical distribution giant McKesson disclosed a cybersecurity incident
after the ShinyHunters extortion group claimed the theft of 284 million patient data records.
data_breach
284 patient data records
More recently,
healthcare services provider Nutex began investigating a data breach
involving information theft from company servers and
pharmaceutical distribution giant McKesson disclosed a cybersecurity incident
after the ShinyHunters extorti…
victims
1,300 employees
Novocure is a global oncology company with more than 1,300 employees and operations in North America, Europe, the Middle East, and Asia, known for inventing and commercializing Tumor Treating Fields (TTFields), a non-invasive electromagnetic field…
data_breach
1,400 patient records
According to a follow-up investigation, the attackers accessed over 1,400 U.S. patient records with ID numbers, but those records didn't contain patient names or other identifying data.
Tactical Metrics
Metrics
infrastructure
3.8
Software Version
Click for context!
…healthcare software company Unlimited Technology Systems disclosed
that a data breach in October 2025 affected more than 3.8 million people, while
healthcare IT company CareCloud said
that a March data breach has impacted over 3.7 million indi…
Metrics
infrastructure
3.7
Software Version
…care software company Unlimited Technology Systems disclosed
that a data breach in October 2025 affected more than 3.8 million people, while
healthcare IT company CareCloud said
that a March data breach has impacted over 3.7 million individuals.
Metrics
data_breach
284,000,000
Patient Data Records
More recently,
healthcare services provider Nutex began investigating a data breach
involving information theft from company servers and
pharmaceutical distribution giant McKesson disclosed a cybersecurity incident
after the ShinyHunters extorti…
Metrics
victims
1,300
Employees
Novocure is a global oncology company with more than 1,300 employees and operations in North America, Europe, the Middle East, and Asia, known for inventing and commercializing Tumor Treating Fields (TTFields), a non-invasive electromagnetic field…
Metrics
data_breach
1,400
Patient Records
According to a follow-up investigation, the attackers accessed over 1,400 U.S. patient records with ID numbers, but those records didn't contain patient names or other identifying data.
Intelligence Sources
BleepingComputer
2026-09-01
Novocure data breach affects more than 1,400 cancer patients
BleepingComputer
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Incident Version History
CURRENT VERSION
Last Updated: 2026-10-06T12:01
Comprehensive Tactical Telemetry
Highly Correlated Entities
11x
organisation
Identified Entity
Unlimited Technology Systems
entity
4x
industry
Targeted Sector
Healthcare
sector
3x
timeline
Temporal Reference
2026/08/02
date
3x
target region
Target Region
MIDDLE_EAST
region
2x
tactic
Cyber Operation Type
Data Breach
tactic
2x
infrastructure
Software Version
3.8
version
Contextual Telemetry
Context Block
10 METRICS
general metric
Other Patients
50
other patients
general metric
People
3,800,000
people
general metric
Individuals
3,700,000
individuals
threat actor
APT Group
ShinyHunters
actor
data breach
Patient Data Records
284,000,000
patient data records
general metric
Cancer Patients
1,400
cancer patients
victims
Employees
1,300
employees
general metric
Blue Report
2,026
blue report
general metric
Simulations
338,000,000
simulations
data breach
Patient Records
1,400
patient records
Click on any entity below to view its context in the main text!
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