Umpqua Bank

Umpqua Bank

Data Breach on June 19, 2023
Data Breach Report
Victimumpquabank.com
Claimed ByCL0P
Date DiscoveredJun 19, 2023
DescriptionUmpqua Bank is a financial services firm that helps in money management which matches their lifestyle.
Leak SizeUnknown

Credential Exposure for umpquabank.com

We've indexed 1,751 @umpquabank.com accounts from external breaches, plus 644 credentials for umpquabank.com itself.

Last checked Aug 23, 2026

@umpquabank.com addresses from external breaches
Third-party breaches1,718 accounts · across 124 breaches · 1,636 with a plaintext password · most recent Jan 8, 2026
Combo lists598 accounts · most recent Aug 20, 2026
Passwords for umpquabank.com accounts
Combo lists581 logins · most recent Aug 23, 2026
Infostealer logs132 logins · 102 infected devices · most recent Aug 7, 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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