Whatcom County Library System

Whatcom County Library System

Data Breach on December 22, 2022
Data Breach Report
Victimwcls.org
Claimed ByUnSafe
Date DiscoveredDec 22, 2022
DescriptionWhatcom County Library System (WCLS) provides public library services for residents of Whatcom County, Washington through 10 library branches, a bookmobile, and on the web.
Leak Size500GB

Credential Exposure for wcls.org

We've indexed 42 @wcls.org accounts from external breaches, plus 27 credentials for wcls.org itself.

Last checked Aug 31, 2026

@wcls.org addresses from external breaches
Third-party breaches42 accounts · across 31 breaches · 36 with a plaintext password · most recent Apr 24, 2024
Combo lists12 accounts · most recent Nov 25, 2025
Passwords for wcls.org accounts
Combo lists27 logins · most recent Aug 18, 2026
Infostealer logs3 logins · 3 infected devices · most recent Nov 26, 2025

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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