steamcn.com Domain Breach Exposure Report

The domain steamcn.com is associated with a significant number of historical data breaches (3924 events) and active infostealer logs (528 events) over the observed period. The majority of these events are linked to combolist sources, suggesting compromised credentials. The timeline indicates a notable increase in client-related events from late 2025 through mid-2026, with a sharp rise in employee-related events in early to mid-2026. Malware families such as Redline, Acreed, and LummaC2 are frequently observed, indicating active credential harvesting and exfiltration activities targeting services like steamcn.com/member.php and steamcn.com. This exposure presents a high risk due to the sheer volume of data breaches and the active presence of infostealers, potentially impacting a large user base. The prevalence of credential stuffing attacks, evidenced by combolist sources, suggests that user accounts on steamcn.com may be compromised and reused across other platforms. Remediation efforts should focus on immediate credential reset campaigns for affected users, enhanced monitoring for suspicious login activity, and a thorough review of authentication and authorization mechanisms to prevent further compromise.