Stryker Systems Still Disrupted Five Days After Iran-Linked Cyberattack
The Iran-linked group Handala caused a global disruption affecting tens of thousands of employees and order processing, with recovery still underway five days after the attack.
- On March 11, 2026, Stryker, America's largest medical device maker, announced a cyberattack disrupted its global Microsoft environment and said five days later services remain disrupted.
- According to Reuters and Check Point Research, Handala, an Iran-linked hacker group, claimed responsibility, while Stryker said the incident was contained to its internal Microsoft corporate environment with no ransomware or malware detected.
- Halcyon researchers found Intune base64 payloads with remote-wipe commands that deleted data, and the attacker claims to have exfiltrated 50 terabytes.
- Electronic ordering and shipping systems are offline, so Stryker Sales Representatives and distributors manually replenish products while global manufacturing sites operate under resiliency plans.
- Under investigation, Stryker is working with third-party forensic experts and the Cybersecurity and Infrastructure Security Agency; the company believes the attack was contained but lacks a full scope and restoration timeline.
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26 Articles
A major attack hit the Stryker company, with ramifications to Sweden.
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A former customer service representative for Stryker has filed a proposed class action against the medical technology company after it was the target of a cyberattack reportedly linked to an Iranian hacker group, claiming that the company's security failures led to the health information of potentially millions of individuals being compromised.
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Cybersecurity experts warn that Houston's critical infrastructure faces heightened risk from Iranian cyberattacks, with smaller companies particularly vulnerable.
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