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Boston Scientific Cyberattack Disrupts Order Processing, Shipping Worldwide
Boston Scientific said a cyberattack detected this Tuesday, caused a network outage and cut off its ability to process and ship customer orders globally, and the medical device maker has not been able to say when full service will return.
The company disclosed the incident in an 8-K filed with the Securities and Exchange Commission on Wednesday and in a statement on its official website. It said the intrusion affected certain information technology systems and limited access to business applications underpinning day-to-day operations.
Boston Scientific is among the world's largest medical device manufacturers, reporting $20.07 billion in 2025 revenue and about $21 billion over the trailing 12 months. Its portfolio includes pacemakers, defibrillators, cardiac stents and neuromodulation implants, and the company says its products treat roughly 48 million patients a year. Thousands of employees in Ireland, where Boston Scientific operates three manufacturing and research sites, were told to work from home on August 26 after network communications were severed.
The company said it activated incident response protocols and engaged outside cybersecurity specialists to contain and investigate the intrusion. It has not said whether ransomware was involved, whether data was exfiltrated, or whether the disruption touches patients with implanted devices. No extortion group had claimed responsibility as of August 26. Shares fell more than 4% following the disclosure.
A Boston Scientific spokesperson declined to answer questions about patient impact and directed reporters to the published statement. Neither the company nor U.S. regulators have said whether hospital procedures have been delayed as a result of the shipping halt, though device suppliers typically hold limited on-site inventory at hospitals, making sustained order outages a downstream supply concern.
The incident is the third disruptive attack on a major medical technology firm in six months. Stryker suffered a global network outage in March after attackers abused its Microsoft Intune deployment to wipe data from thousands of devices, and Medtronic disclosed in April that patient names, Social Security numbers and health information were exposed in a breach attributed to the ShinyHunters extortion group.
Also read: Stryker Says Cyberattack Disrupted Processing, Manufacturing and Shipping
Boston Scientific said it cannot yet assess the full operational and financial impact, language that leaves room for an amended filing once the investigation matures.
The company's Irish footprint also raises the prospect of European scrutiny. If personal data proves to have been accessed, notification duties under the General Data Protection Regulation would attach, and medical device manufacturers operating in the European Union are increasingly captured by the NIS2 Directive's incident reporting regime as member states complete transposition.
