signupgenius.com Domain Breach Exposure Report

The telemetry indicates a significant exposure event impacting signupgenius.com, with over 102,000 historical data breaches and over 18,000 active infostealer logs detected within the reporting period. The majority of these events are linked to compromised client credentials, with a notable increase in employee-related incidents observed in early 2026. The primary threat actors appear to be leveraging infostealer malware families such as Rhadamanthys, LummaC2, and Redline, targeting primarily Windows operating systems. The data suggests a high likelihood of credential stuffing attacks originating from combolist sources.