The Stryker cyber attack was a global disruption experienced by the medical technology company
Stryker in March 2026, which impacted their Microsoft environment. The attack caused significant operational disruption, but there were no initial indications of ransomware or malware. The incident was allegedly linked to hackers connected to Iran.
Stryker shares fell 3.4% following reports of a cyberattack linked to Iran.
Stryker Corporation (NYSE:SYK) shares fell 3.4% on Wednesday following a Wall Street Journal report that the medical technology company had suffered a cyberattack linked to Iran.
The company experienced a global outage across its systems, with staff and contractors reporting that the logo of a hacker group linked to Iran had appeared on login pages, according to the WSJ report. The outage began shortly after midnight.
Staff discovered that remote devices running Microsoft’s Windows operating system, including phones, laptops, and other devices configured to connect to Stryker’s technology systems, had been wiped, according to people familiar with the matter cited by the WSJ.
The company advised employees not to turn on company-issued devices and to immediately disconnect from all networks, according to an email seen by WSJ Pro Cybersecurity. The message urged employees not to click on suspicious links and to immediately delete mobile device management applications and work profiles from their phones.
Stryker is one of the world’s largest medical technology companies, manufacturing devices and equipment used in hospitals and surgical settings, particularly in orthopedics and neurosurgery.
Key Details of the Attack:
Timing: Announced on March 11-12, 2026.
Impact: Global operational disruption affecting IT systems.
Target: The company’s Microsoft environment infrastructure.
Status: No indication of ransomware/malware found, but customer services were impacted.
This attack highlights the vulnerability of the medical technology sector to cyber threats that can disrupt hospital services.