Novocure Breach Exposes Records of More Than 1,400 Cancer Patients

Novocure disclosed that unauthorized actors accessed certain company information systems in mid-August, exposing data associated with more than 1,400 U.S. cancer patients. The accessed records contained patient ID numbers but reportedly did not include names or other identifying information; attackers also obtained identifying information for fewer than 50 patients in the western United States and general contact details for healthcare providers.

The incident also exposed contact information, job titles, and phone numbers for an undisclosed number of employees. Novocure said its medical treatment devices were not accessed, operations were not disrupted, and systems remain functional as the company assesses notification obligations.