# An Iran-linked group claimed responsibility for a March 11 cyberattack on Stryker Corp.

*fintech · news · 2026-04-08 · Pittsburgh Tribune-Review*

## Key points

- An Iran-linked group, Handala, claimed responsibility for a March 11 cyberattack on Stryker Corp.
- The attack disrupted Stryker's internal Microsoft systems, affecting order processing, manufacturing, and shipping.
- State-linked cyber operations often focus on gaining persistent access rather than immediate visible disruption.
- Critical infrastructure vulnerabilities extend to upstream suppliers and service providers, not just obvious targets.
- The Cyber Incident Reporting for Critical Infrastructure Act of 2022 requires incident reporting within 72 hours.

**Companies:** Stryker Corp
**Countries:** Iran, United States

[Read the full story on Pittsburgh Tribune-Review](https://triblive.com/opinion/william-akoto-how-iranian-hackers-pose-a-threat-to-u-s-critical-infrastructure/)

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