level3.com Domain Breach Exposure Report

The telemetry indicates a significant exposure event impacting the domain level3.com, with a risk score of 100. The primary concern stems from 62,921 historical data breaches, accounting for 96.3% of the total events. Additionally, 2,391 active infostealer logs were observed, representing 3.7% of events. The timeline shows a substantial spike in employee-related events in September 2025 and January 2026, with client-related events also peaking in September 2025. Malware analysis reveals Redline as the dominant family (80.5%), followed by LummaC2 (4.2%), suggesting credential harvesting and data exfiltration are key threats. Targeted services include various login portals for level3.com and its subdomains, indicating potential compromise of user credentials. The geographical breakdown shows the United States as the most affected country, followed by the Netherlands and Germany. The leak repository classification points to combolist sources (62.7%) and database dumps (37.3%) as primary origins of exposed data. The high volume of historical data breaches and active infostealer logs, coupled with the prevalence of Redline malware, signifies a critical risk to sensitive information. The focus should be on immediate incident response to contain any ongoing infostealer activity, thorough investigation of the historical data breaches to understand the scope of compromised data, and enhanced security measures for authentication mechanisms, particularly for the targeted login portals. Prioritizing remediation efforts on credential security and data protection is essential given the comprehensive nature of the exposure.