First Brothers
Data Breach on October 19, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | firstbrothers.com | ||
| Claimed By | Qilin | ||
| Date Discovered | Oct 19, 2026 | ||
| Description | First Brothers Co., Ltd. is an investment management and investment banking company based in Japan, providing investment and financial services across multiple sectors. | ||
| Leak Size | Unknown |
Credential Exposure for firstbrothers.com
We've indexed 7 @firstbrothers.com accounts from external breaches.
Last checked Oct 19, 2026
| @firstbrothers.com addresses from external breaches | |
|---|---|
| Third-party breaches | 6 accounts · across 1 breaches · 6 with a plaintext password · most recent Dec 7, 2020 |
| Combo lists | 1 accounts · most recent May 19, 2026 |
None of this is necessarily connected to the ransomware attack above.
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