aweber.com Domain Breach Exposure Report

The telemetry indicates a significant exposure event impacting aweber.com, with 90.2% of observed events stemming from historical data breaches and 9.8% from active infostealer logs. A total of 1270 employee accounts and 92,662 client accounts are associated with these events. The timeline shows a surge in client-related events in March 2026, with employee-related events also increasing in early 2026. The primary data breach sources are identified as "Combolist sources" (99.5%). Malware families associated with the infostealer activity include LummaC2 (17.4%), Redline (14.7%), and Rhadamanthys (11.6%). Targeted services are predominantly related to aweber.com login and password reset functionalities. Given the high volume of historical data breaches and active infostealer logs targeting login and password reset pages, the priority is to investigate the root cause of these breaches and infostealer activity. Remediation should focus on strengthening authentication mechanisms, implementing robust credential stuffing defenses, and enhancing monitoring for unauthorized access attempts. The prevalence of LummaC2 and Redline suggests a need to review endpoint security and user awareness training to mitigate the risk of credential harvesting and subsequent account compromise.