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 traili...