Quanhua Book

Quanhua Book

Data Breach on August 28, 2024
Data Breach Report
Victimchwa.com.tw
Claimed ByRansomhub
Date DiscoveredAug 28, 2024
DescriptionQuanhua Books is a Taiwanese publishing house specializing in books, magazines, and educational materials.
Leak Size400GB

Credential Exposure for chwa.com.tw

We've indexed 65 @chwa.com.tw accounts from external breaches, plus 292 credentials for chwa.com.tw itself.

Last checked Oct 4, 2026

@chwa.com.tw addresses from external breaches
Third-party breaches58 accounts · across 47 breaches · 46 with a plaintext password · most recent Jan 13, 2026
Combo lists26 accounts · most recent Sep 13, 2026
Passwords for chwa.com.tw accounts
Combo lists201 logins · most recent Oct 2, 2026
Infostealer logs111 logins · 82 infected devices · most recent Oct 1, 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?

Quanhua Book 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.