Ransomware Group thegentlemen Hits: MatTek
Summary
In the latest cybersecurity news, MatTek — an organization based in US — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-07-23T15:05:56.023856+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | MatTek |
| Threat Group | thegentlemen |
| Summary | ***.com zoominfo.com/c/mattek-corp/109184324 MatTek Corporation is a pioneering biotechnology company founded in 1985 and headquartered in Ashland, Massachusetts, specializing in the development of innovative in vitro 3D reconstructed human tissue models. They produce advanced microtissues and cell culture products that are widely used by researchers to accelerate drug development, conduct toxicity testing, and replace traditional animal testing. Originally an independent leader in tissue engineering, the company was recently acquired by the global life science supplier Sartorius and now operates as a key part of their advanced biological models portfolio |
| Date of Breach | 2026-07-23T09:29:34+00:00 |
| Discovery Date | 2026-07-23T15:05:56.023856+00:00 |
| Region | US |
| Target Domain | mattek.com |
| Business Sector | Manufacturing |
How to reduce your ransomware risk
Most ransomware intrusions start with a stolen password or a phishing email. A few proactive steps sharply cut your exposure:
- awareness training — close the gap attackers exploit.
- keep watch on the dark web — close the gap attackers exploit.
Want to know if you’re already exposed? Run a free scan with the HookPhish data breach checker.
Disclaimer
HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.
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