Stryker Cyberattack: Alleged Iran-Linked Group Handala Causes National Outage

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Stryker Cyberattack: Alleged Iran-Linked Group Handala Causes National Outage
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A suspected Iran‑linked cyberattack disrupted Stryker’s global operations, stranding workers and forcing the medical device maker offline.

‑aligned hackers disrupted global operations at Stryker, a major U.S. medical technology company, leaving thousands of employees unable to access work systems and forcing a widespread shutdown of network‑connected devices.

analysts reported that internal systems displayed branding associated with “Handala,” a hacktivist label often described as Iran‑linked. Stryker has not confirmed who was responsible, and officials cautioned that attribution remains under investigation. Stryker said it is experiencing a “severe, global disruption” affecting laptops and systems connected to its network.“Our teams are actively working to restore systems and operations as quickly as possible,” a company spokesperson said, adding that the incident is being treated as critical. The company said it is working with Microsoft as part of its response. The disruption left employees in multiple countries unable to access email, internal tools and work devices. Irish outlets said the outage affected thousands of workers, including staff at Stryker’s large operations in Cork, , one of the company’s biggest international hubs. Ireland’s National Cyber Security Centre said it has been notified and is assisting with the response., is one of the world’s largest medical device manufacturers, producing surgical equipment, orthopedic implants and hospital technology used by healthcare systems globally. The company employs tens of thousands of workers worldwide and reported more than $25 billion in annual revenue, underscoring the scale of disruption caused by the attack.

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