Novocure Cyberattack Exposes Data of Over 1,400 Cancer Patients

Novocure, a health-tech firm specializing in cancer treatments, reported a data breach affecting over 1,400 U.S. cancer patients and an undisclosed number of employees. The breach occurred in mid-August 2026, when unauthorized access to the company's information systems was detected. The compromised data included patient ID numbers, with fewer than 50 patients having additional identifying information exposed. Novocure stated that no access to medical treatment devices was obtained and that their operational capabilities remain intact. The company is currently evaluating regulatory notification requirements and has launched an internal investigation. This incident is part of a broader trend of cyberattacks targeting healthcare organizations, with several significant breaches reported in the past month. Further details regarding the attack vector and whether a ransom was demanded remain undisclosed.

Key Points: • Over 1,400 cancer patients' records compromised in Novocure data breach. • Fewer than 50 patients had additional identifying information exposed. • No operational impact on Novocure's medical treatment devices reported.