JBCC

JBCC

Data Breach on June 28, 2023
Data Breach Report
Victimjbcc.co.jp
Claimed ByMallox
Date DiscoveredJun 28, 2023
DescriptionJBCC proposes optimal system for each customer, from consulting to sales, construction, operation, maintenance, management service.
Leak SizeUnknown

Credential Exposure for jbcc.co.jp

We've indexed 185 @jbcc.co.jp accounts from external breaches, plus 15 credentials for jbcc.co.jp itself.

Last checked Oct 4, 2026

@jbcc.co.jp addresses from external breaches
Third-party breaches152 accounts · across 50 breaches · 142 with a plaintext password · most recent Dec 14, 2020
Combo lists73 accounts · most recent Sep 25, 2026
Passwords for jbcc.co.jp accounts
Combo lists15 logins · most recent Sep 12, 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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