US EditionUS medical equipment company Stryker says cyberattack disrupted its global networks
Handala claimed wiping over 200,000 devices and stealing 50 terabytes of data in retaliation for US military actions, causing worldwide disruption at Stryker's Microsoft environment.
- On March 11, 2026, Stryker said a cyberattack disrupted its global networks, hitting its Microsoft environment and causing a critical, enterprise-wide outage.
- Handala claimed responsibility, saying the strike was retaliation for a Minab school attack that Iranian state media said killed at least 168 children; researchers link Handala to Iran and profile it as active since October 7.
- Remote Windows devices, including cellphones and laptops, were wiped, internal pages showed the Handala logo, and hackers claimed over 200,000 systems wiped and 50 terabytes of data taken.
- Stryker's shares fell more than 3% as the company said employees in Cork, Ireland, were sent home after losing access to email and internal tools, and it is working with Microsoft to restore systems.
- U.S. officials have cautioned that threat researchers said the attack represents an escalation and could create outsized strategic and political ripple effects, with the Pentagon investigating and threats linked to Iran.
167 Articles
167 Articles
'Medical nightmare': What the Stryker cyberattack means for millions of Americans?
The secondary shockwave of this cyberattack will be felt for years. Even if Stryker, working alongside Microsoft, manages to restore its global systems next week, the damage is already done.
Ars Technica
MASSIVE.NEWSThe who, what, and why of the attack that has shut down Stryker's Windows network
Within hours of the US and Israel launching airstrikes on Iran two weeks ago, security professionals warned organizations around the world to be on heightened watch for destructive retaliatory hacks. On Wednesday, the predictions appeared to come true as Stryker, a multinational maker of medical devices, confirmed a cyberattack that took down much of its infrastructure, and a hacking group long known to be aligned with the Iranian government cla…
Major U.S. health tech company hit by mysterious cyberattack
PORTAGE, Mich. — A major U.S. medical device company said that a cyberattack disrupted its global computer systems, and hackers linked to Iran claimed responsibility for the incident. The company, Stryker Corporation, said it is working to restore its networks and investigate what happened.
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