cyzone.cn Domain Breach Exposure Report

The domain cyzone.cn has experienced a significant number of data breaches (482) and active infostealer logs (118) over the past year, impacting 164 employees and 436 clients. The timeline shows a notable increase in employee and client exposure starting in Q4 2025 and peaking in Q2 2026, with a surge in March and April 2026. Malware families like LummaC2, Redline, and Vidar are associated with this activity. The exposure appears to originate from combolist sources and database dumps, with targeted services including login and authentication endpoints. Geographically, the United States, Japan, and China are the most affected countries. The risk score of 78 indicates a high level of exposure. Given the high volume of data breaches and active infostealer activity, coupled with the targeting of authentication services and the presence of common infostealer malware, this situation poses a critical risk. Prioritization should focus on immediate remediation of identified data exposures, strengthening authentication mechanisms, and conducting thorough investigations into the source of the combolists and database dumps. A comprehensive review of employee and client data security practices is also recommended.