Cyber Bulletin

Stryker Cyberattack: Pro-Iran Group Says It Retaliated for US Military Strike

Neither the company nor any cyber agencies have confirmed Iranian involvement in the outage.

Demonstrators hold flags during a rally in support of regime change in Iran in Washington, DC, US.Photographer: Alex Wroblewski/Bloomberg

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By Ryan Gallagher, Patrick Howell O'Neill, and Katrina Manson

March 11, 2026 at 6:44 PM UTC

This article is for subscribers only.

A cyberattack against medical technology maker Stryker Corp. crippled the company’s global operations, according to a person familiar with the matter and a memo seen by Bloomberg News.