Outages on Stryker’s login portals began shortly after midnight Eastern when users encountered an Iran-linked emblem, marking the first known intrusion tied to regional hostilities. The company is investigating the root cause of the breach and assessing the extent of unauthorized access.

Shares fell approximately 3% on Wednesday as market participants weighed operational disruptions and security concerns. Stryker engaged Microsoft to restore service, secure its networks, and monitor for potential follow-on attacks while evaluating longer-term risk mitigation strategies.