rackcdn.com Domain Breach Exposure Report

The domain rackcdn.com has experienced a significant number of data breaches and infostealer events over the past year, totaling 4778 incidents. The majority of these events, 83.3%, are historical data breaches, with 3980 instances recorded. Infostealer logs account for the remaining 16.7%, with 798 events. The timeline shows a notable increase in employee and client-related events starting in March 2026, with 12 employee events and 1216 client events in that month, followed by 51 employee and 891 client events in April 2026. Malware families associated with these events include LummaC2, Redline, and Rhadamanthys, all commonly used for credential theft and data exfiltration. The data suggests a high volume of compromised credentials, likely originating from combolist sources, impacting a large number of clients and a smaller but increasing number of employees.