sbrf.ru Domain Breach Exposure Report

The domain sbrf.ru has experienced a significant number of data breaches and infostealer events over the observed period, totaling over 19,000 events. A substantial portion of these events, approximately 85.7%, are historical data breaches, while 14.3% are active infostealer logs. The timeline indicates a fluctuating but persistent presence of client-related events, with employee-related events also occurring, particularly in September 2025 and April 2026. The primary malware families associated with these events are Redline and LummaC2, both known for credential theft. Targeted services include various subdomains of sbrf.ru, particularly those related to client access and authentication, suggesting a focus on customer data. The majority of leak repository data originates from combolist sources, indicating compromised credentials being traded. Given the high volume of data breaches and the prevalence of infostealer activity targeting client-facing services, this exposure presents a critical risk. The reliance on combolists suggests that attackers are actively attempting to leverage previously compromised credentials, potentially leading to account takeovers and further data exfiltration. Remediation efforts should focus on enhancing credential security, implementing robust multi-factor authentication across all client-facing applications, and actively monitoring for and revoking compromised credentials. A thorough investigation into the root causes of the historical data breaches is also recommended to prevent recurrence.