blic.rs Domain Breach Exposure Report

The telemetry indicates a significant exposure event impacting blic.rs, with 2,596 total events observed over the reporting period. A substantial portion of these events, 88.1% (2,286), are classified as historical data breaches, while 11.9% (310) are active infostealer logs. The data breaches are predominantly sourced from "Combolist sources" (98.1%), suggesting large-scale credential stuffing or account takeover attempts. Malware families associated with these events include Redline (23.2%), LummaC2 (17.7%), and Rhadamanthys (10%), all known for credential and information theft. The timeline shows a notable increase in client-related events in March 2026, coinciding with a rise in employee-related events in February and April 2026, indicating potential cascading impacts. The primary targeted services are related to the sso.blic.rs domain, suggesting authentication infrastructure is a key focus. The high volume of historical data breaches and active infostealer logs, coupled with the prevalence of common infostealer malware, elevates the risk profile. The reliance on "Combolist sources" for data breaches points to a broad exposure of credentials, potentially affecting both employees and clients. Prioritization should focus on immediate credential hygiene, including mandatory password resets for all users, enabling multi-factor authentication across all services, and conducting thorough security audits of the authentication infrastructure (sso.blic.rs). Given the nature of the malware and data breach sources, a comprehensive review of endpoint security and user training on phishing and credential security is also recommended.