Every public data breach

44 disclosed this week · 26,355 on record

MathWorks

Disclosed May 27, 202510,478 affectedConfirmed

Official notice

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 affected10,478 (as reported by the organization)
DisclosedMay 27, 2025
DiscoveredMay 18, 2025
HappenedApr 17, 2025
AttackRansomware
Data exposedNamesAddressesDates of birthSocial Security numbersGovernment IDs
SectorTech · US
StatusConfirmed

Sources

Notices filed

History of this record
records2026-09-25
10476 to 10478by backfillSource
occurred2026-09-25
empty to 2025-04-17by backfillSource
source_type2026-09-25
press to officialby backfillSource
source_url2026-09-25
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-consumersby backfillSource
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.

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