Tsuneishi Shipbuilding

Tsuneishi Shipbuilding

Data Breach on October 13, 2026
Data Breach Report
Victimtsuneishi.com
Claimed Byn0n
Date DiscoveredOct 13, 2026
DescriptionTsuneishi Shipbuilding Co., Ltd. is a shipbuilding and repair company based in Japan, specializing in commercial vessel construction, ship repairs, and marine engineering.
Leak SizeUnknown

Credential Exposure for tsuneishi.com

We've indexed 167 @tsuneishi.com accounts from external breaches, plus 86 credentials for tsuneishi.com itself.

Last checked Oct 13, 2026

@tsuneishi.com addresses from external breaches
Third-party breaches144 accounts · across 64 breaches · 132 with a plaintext password · most recent May 1, 2024
Combo lists71 accounts · most recent Sep 22, 2026
Passwords for tsuneishi.com accounts
Combo lists83 logins · most recent Oct 11, 2026
Infostealer logs16 logins · 11 infected devices · most recent Aug 29, 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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