Keio
Data Breach on October 16, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | keio.co.jp | ||
| Claimed By | Qilin | ||
| Date Discovered | Oct 16, 2026 | ||
| Description | Keio Corporation is a railway and transportation company based in Japan, operating railway services in Tokyo and engaging in retail, real estate, and other businesses through the Keio Group. | ||
| Leak Size | Unknown |
Credential Exposure for keio.co.jp
We've indexed 81 @keio.co.jp accounts from external breaches, plus 1 credentials for keio.co.jp itself.
Last checked Oct 16, 2026
| @keio.co.jp addresses from external breaches | |
|---|---|
| Third-party breaches | 66 accounts · across 39 breaches · 58 with a plaintext password · most recent Mar 24, 2024 |
| Combo lists | 34 accounts · most recent Jun 22, 2026 |
| Passwords for keio.co.jp accounts | |
|---|---|
| Combo lists | 1 logins · most recent Jun 22, 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.
Is your organization next?
Keio was breached. Check if your company's credentials have been exposed in this or other data breaches.
Check your exposure →Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.