flagstar.com

flagstar.com

Data Breach on October 05, 2021
Data Breach Report
Victimflagstar.com
Threat ActorCLOP
Date DiscoveredOct 05, 2021
DescriptionN/A
Leak SizeN/A

Credential Exposure for flagstar.com

We've indexed 2,842 @flagstar.com accounts from external breaches, plus 3,094 credentials for flagstar.com itself.

Last checked Aug 16, 2026

@flagstar.com addresses from external breaches
Third-party breaches2,793 accounts · across 230 breaches · 2,603 with a plaintext password · most recent Apr 19, 2026
Combo lists940 accounts · most recent Aug 7, 2026
Passwords for flagstar.com accounts
Combo lists2,917 logins · most recent Aug 15, 2026
Infostealer logs724 logins · 516 infected devices · most recent Aug 8, 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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