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Listed on a ransomware leak site

Master Manufacturing Co., Inc.

mastermfg.com

Master Manufacturing Co., Inc. was listed on the Dark-project leak site on Sep 7, 2026. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Dark-project
First listed
Sep 7, 2026
Claims recorded
1

Leak-Site Claim.

Dark-projectConfirmed claim
Posted on the leak site
Sep 7, 2026
Collected by Brandefense
Sep 7, 2026
Data claimed
36 GB
Leak-site post text, written by the group
About Master Manufacturing Master Manufacturing Co., Inc. specializes in custom metal stamping and production services, leveraging over 200 years of combined design and engineering expertise. Founded in 1970 and located in southern Indiana, the company offers a range of services including laser cutting, wire bending, and heat treatment, all while maintaining a commitment to high-quality standards certified by IATF 16949. Their intended clients span various industries such as appliance, HVAC, lighting, automotive, and RV, with a focus on delivering innovative and efficient solutions. Master…

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.