Handala Claims Stryker Cyberattack Responsibility

A pro-Iran hacker group known as Handala claimed responsibility for a widespread cyberattack that disrupted operations at Stryker Corporation, a major U.S. medical technology company, forcing thousands of employees worldwide to disconnect from work systems and wiping data from connected devices.

The attack, which occurred overnight and affected the company's global network, targeted Windows-based environments and employee devices linked to Stryker's infrastructure. Employees reported being locked out of computers, email, and internal tools, with login pages displaying the Handala logo. Personal phones configured with company profiles, such as Microsoft Outlook or Intune management features, were also erased, rendering them unusable for work purposes. The incident impacted operations across Europe, Asia, the United States, and Australia, including Stryker's large facilities in Cork, Ireland, where about 5,000 people work, and smaller sites in Belfast, Ireland.

Stryker, headquartered in Portage, Michigan, employs more than 56,000 people in 61 countries and generates annual revenue exceeding $25 billion. The company manufactures surgical equipment, orthopedic implants, and hospital...