The logo of Handala, a hacking group linked to Iran, has appeared on company login pages, The Wall Street Journal reported.
Stryker's statement said the cyberattack hit its Microsoft programs. Emails seeking additional information were not immediately answered.
Stryker is based in Portage, Michigan, and makes a variety of medical products, from artificial joints to hospital beds. It had revenue of more than $25 billion in 2025. The company says it has 56,000 employees around the world.
