Oncology Firm Novocure Announces Cyberattack and Data Breach
The medical technology and oncology company Novocure has recently confirmed that patient and employee data were exposed in a recent cyberattack. Novocure is a publicly traded company with approximately 1,300 employees worldwide. Its global HQ is in Baar, Switzerland, and its U.S. headquarters is in Portsmouth, New Hampshire. The company has developed a novel non-invasive cancer treatment called Tumor Treating Fields (TTFields), which uses low-intensity, alternating electrical fields to disrupt the division of cancer cells.
Novocure explained in a September 1, 2026, Form-8K filing with the U.S. Securities and Exchange Commission (SEC), that it became aware of unauthorized access to some of its information systems via a subsidiary in mid-August 2026. Its incident response plan was activated, along with containment measures, and an investigation was launched, with assistance provided by third-party cybersecurity forensics experts.
While employee and patient data were stored on the compromised systems, the impact of the data breach was limited. Based on the investigation to date, approximately 1,400 U.S. patients had data exposed in the incident. The breach was limited to internal company ID numbers – no patient names or other identifying data were exposed. Fewer than 50 other patients in the Western United States had additional identifying information exposed, along with general contact information for all U.S. healthcare providers that the company works with, and general contact information for Novocure employees, including job titles and phone numbers. Novocure did not disclose how many employees had their contact information exposed in the incident.
Novocure said there was no unauthorized access to any of its medical treatment devices, no impact to operations, and all systems are fully functional. At the time of issuing the filing, Novocure said it does not believe that the incident will have any material impact or reasonably likely impact on its financial condition or results of operations, although the investigation into the incident is ongoing. The threat group behind the attack and the nature of the incident were not disclosed.
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Several medical technology companies have experienced cyberattacks this year, including Unlimited Technology Systems, CareCloud, Boston Scientific, Medtronic, Stryker, Abbot Laboratories, and iRhythm, although in this case, the impact appears to be limited. Other medtech companies have not been so fortunate. The cyberattacks on Unlimited Technology Systems and CareCloud involved unauthorized access to systems containing 3.8 million and 3.7 million patient records respectively, and the cyberattack on Boston Scientific disrupted operations globally.
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Highland Oncology Group Settles Litigation Stemming From 2025 Ransomware Attack
Highlands Oncology Group, an Arkansas-based physician-owned community cancer care and research practice serving Northwest Arkansas, Southwest Missouri, and Southeast Oklahoma, has agreed to settle class action litigation stemming from a 2025 ransomware attack and data breach that affected 113,575 individuals.
The ransomware attack was identified by Highlands Oncology Group on or around June 2, 2025. While the attack was identified in early June, the investigation determined that the ransomware group first gained access to its network as early as January 21, 2025. Data accessed and/or exfiltrated included names, dates of birth, Social Security numbers, driver’s license/state identification numbers, passport numbers, credit/debit card numbers, financial account numbers, medical treatment information, medical record numbers, patient account numbers, and/or health insurance policy information.
The affected individuals were notified on August 1, 2025, and the first class action lawsuit was filed on August 5, 2025. In total, thirteen class action lawsuits were filed in response to the data breach, which were consolidated into a single complaint as they had overlapping claims. The consolidated lawsuit – In re Highlands Oncology Group Data Breach Litigation – was filed in the Circuit Court for Washington County, Arkansas, where it is currently pending.
The consolidated lawsuit asserted claims for negligence, negligence per se, breach of implied contract, unjust enrichment, and invasion of privacy-intrusion upon seclusion. Highlands Oncology Group sought to have the consolidated class action complaint dismissed; however, after filing that motion, all parties engaged in settlement discussions, and following mediation, the terms of a settlement were negotiated. The settlement has recently received preliminary approval from the court.
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Highlands Oncology Group will pay attorneys’ fees and expenses, settlement administration costs, and service awards for the class representatives. Class members may submit a claim for one of two cash payments: A claim may be submitted for reimbursement of documented, unreimbursed losses due to the data breach up to a maximum of $4,250 per class member, or a claim may be submitted for a one-time pro rata cash payment, estimated to be around $50 per class member.
Regardless of which cash payment is chosen, class members are eligible to enroll in three years of medical data monitoring services, which include a $1 million identity theft insurance policy. The deadline for opting out and objecting to the settlement is October 7, 2026. Claims must be submitted by October 22, 2026, and the final fairness hearing has been scheduled for November 6, 2026.
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