MathWorks
Disclosed May 27, 20251 year ago10,478 affectedConfirmed
Ransomware attack knocks MATLAB maker MathWorks offline
MathWorks said a ransomware attack beginning May 18, 2025 made online applications and internal systems unavailable, and later reported that data of 10,476 people, including names, addresses, birth dates and SSNs, was stolen.
What is known
| People affected | 10,478 (as reported by the organization) |
|---|---|
| Disclosed | May 27, 2025 |
| Discovered | May 18, 2025 |
| Happened | Apr 17, 2025 |
| Attack | Ransomware |
| Data exposed | Names, Addresses, Dates of birth, Social Security numbers, Government IDs |
| Sector | Tech · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| MathWorks status incident reportstatus.mathworks.com · The organization | The organization |
| MATLAB dev confirms ransomware attack behind service outagebleepingcomputer.com · News | News |
| MATLAB dev says ransomware gang stole data of 10,000 peoplebleepingcomputer.com · News | News |
| Vermont Attorney General: 2025-08-22 The MathWorks Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| Indiana Attorney General 2025 data breach report: MathWorksin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | May 27, 2025 | 10,476 |
| Vermont AGresidents of VT | Aug 22, 2025 | |
| Indiana AGresidents of IN | Aug 22, 2025 | 17 |
History of this record
- 2026-09-25 · records: 10476 to 10478 · backfill source
- 2026-09-25 · occurred: empty to 2025-04-17 · backfill source
- 2026-09-25 · source_type: press to official · backfill source
- 2026-09-25 · source_url: https://www.bleepingcomputer.com/news/security/mathworks-blames-ransomware-attack-for-ongoing-outages/ to https://ago.vermont.gov/document/2025-08-22-mathworks-data-breach-notice-consumers · backfill source
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.