Simmtech Co., Ltd.

Simmtech Co., Ltd.

Data Breach on December 17, 2024
Data Breach Report
Victimsimmtech.com
Threat ActorUnderground
Date DiscoveredDec 17, 2024
DescriptionSimmtech Co., Ltd. is a global leader in the development and manufacturing of high-layer printed circuit boards (PCBs) for semiconductors and mobile devices.
Leak Size745.1GB

Credential Exposure for simmtech.com

We've indexed 27 @simmtech.com accounts from external breaches, plus 13 credentials for simmtech.com itself.

Last checked Aug 16, 2026

@simmtech.com addresses from external breaches
Combo lists18 accounts · most recent Aug 3, 2026
Third-party breaches11 accounts · across 16 breaches · 8 with a plaintext password · most recent Jul 20, 2025
Passwords for simmtech.com accounts
Combo lists13 logins · most recent Aug 15, 2026
Infostealer logs5 logins · 7 infected devices · most recent Jul 19, 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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