Tentac

Tentac

Data Breach on September 15, 2026
Data Breach Report
Victimtentac.co.jp
Claimed ByTheGentlemen
Date DiscoveredSep 15, 2026
DescriptionTentac Co., Ltd. is a manufacturer and supplier based in Japan, specializing in apparel auxiliary materials, RFID solutions, and sustainable eco-friendly products.
Leak SizeUnknown

Credential Exposure for tentac.co.jp

We've indexed 44 @tentac.co.jp accounts from external breaches, plus 2 credentials for tentac.co.jp itself.

Last checked Sep 15, 2026

@tentac.co.jp addresses from external breaches
Third-party breaches36 accounts · across 21 breaches · 27 with a plaintext password · most recent Dec 7, 2020
Combo lists19 accounts · most recent Sep 10, 2026
Passwords for tentac.co.jp accounts
Combo lists2 logins · most recent Aug 5, 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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