
flagstar.com
Data Breach on October 05, 2021
| Data Breach Report | ||
|---|---|---|
| Victim | flagstar.com | |
| Claimed By | CLOP | |
| Date Discovered | Oct 05, 2021 | |
| Description | N/A | |
| Leak Size | N/A |
Credential Exposure for flagstar.com
We've indexed 2,850 @flagstar.com accounts from external breaches, plus 3,368 credentials for flagstar.com itself.
Last checked Oct 4, 2026
| @flagstar.com addresses from external breaches | |
|---|---|
| Third-party breaches | 2,793 accounts · across 230 breaches · 2,603 with a plaintext password · most recent Apr 19, 2026 |
| Combo lists | 979 accounts · most recent Oct 2, 2026 |
| Passwords for flagstar.com accounts | |
|---|---|
| Combo lists | 3,197 logins · most recent Oct 4, 2026 |
| Infostealer logs | 806 logins · 543 infected devices · most recent Sep 30, 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?
flagstar.com 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.