MatTek

MatTek

Data Breach on July 24, 2026
Data Breach Report
Victimmattek.com
Claimed ByTheGentlemen
Date DiscoveredJul 24, 2026
DescriptionMatTek Corporation is a life sciences company based in the USA (Massachusetts), specializing in 3D human tissue models, cell culture technologies, and in vitro testing solutions for research and drug development.
Leak SizeUnknown

Credential Exposure for mattek.com

We've indexed 20 @mattek.com accounts from external breaches, plus 1 credentials for mattek.com itself.

Last checked Sep 6, 2026

@mattek.com addresses from external breaches
Third-party breaches20 accounts · across 27 breaches · 18 with a plaintext password · most recent Feb 8, 2021
Combo lists13 accounts · most recent Apr 28, 2026
Passwords for mattek.com accounts
Combo lists1 logins · most recent Aug 7, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

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