TSMC

TSMC

Data Breach on June 30, 2023
Data Breach Report
Victimtsmc.com
Claimed ByLockBit
Date DiscoveredJun 30, 2023
DescriptionTSMC is a Taiwanese multinational semiconductor contract manufacturing and design company.
Leak SizeUnknown

Credential Exposure for tsmc.com

We've indexed 8,804 @tsmc.com accounts from external breaches, plus 510 credentials for tsmc.com itself.

Last checked Oct 4, 2026

@tsmc.com addresses from external breaches
Third-party breaches8,660 accounts · across 454 breaches · 8,063 with a plaintext password · most recent Sep 23, 2026
Combo lists6,934 accounts · most recent Sep 29, 2026
Passwords for tsmc.com accounts
Combo lists327 logins · most recent Oct 4, 2026
Infostealer logs211 logins · 140 infected devices · most recent Oct 2, 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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