Stryker
Disclosed Mar 11, 20266 months agoConfirmed
Handala wiper attack on Stryker disrupts operations, data theft claimed
Medical technology company Stryker confirmed a cyberattack on its Microsoft environment that wiped large numbers of devices and disrupted operations. Iran-linked group Handala claimed responsibility and said it extracted 50 TB of data, which Stryker did not confirm.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Mar 11, 2026 |
| Discovered | Mar 2026 |
| Attack | Hacking |
| Data exposed | Internal documents |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Stryker Corp Form 8-K/A, Item 1.05 (2026-04-09)sec.gov · SEC filing | SEC filing |
| Pro-Iran hacktivist group says it is behind attack on medical tech giant Strykertechcrunch.com · News | News |
| Stryker Corp Form 8-K, Item 8.01 (2026-03-11)sec.gov · SEC filing | SEC filing |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Mar 11 | |
| SEC 8-K 8.01total | Mar 11 | |
| SEC 8-Ktotal | Apr 9 |
Other breaches at Stryker
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Disclosed Oct 31, 2024Oct 31, 20241 year ago | Oct 31, 20241 year ago | Not stated | Healthcare | Confirmed | 24K |
History of this record
- 2026-09-25 · source: empty to https://www.sec.gov/Archives/edgar/data/310764/000119312526102460/d76279d8k.htm · backfill source
- 2026-09-25 · sector: other to health · seed source
- 2026-09-25 · attack: unknown to hacking · seed source
- 2026-09-25 · data_types: [] to ["internal-docs"] · seed source
- 2026-09-25 · disclosed: 2026-04-09 to 2026-03-11 · seed source
- 2026-09-25 · discovered: empty to 2026-03 · seed source
- 2026-09-25 · summary: empty to Medical technology company Stryker confirmed a cyberattack on its Microsoft environment that wiped large numbers of devices and disrupted operations. Iran-linked group Handala claimed responsibility and said it extracted 50 TB of data, whic · seed source
- 2026-09-25 · title: Updated SEC filing on a material cybersecurity incident to Handala wiper attack on Stryker disrupts operations, data theft claimed · seed source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (SEC 8-K), confirmed by SEC 8-K. Record counts are as reported. Not legal advice.