Cass information Systems
coinbasecartelThis record tracks a ransomware attack claimed by the coinbasecartel group against Cass information Systems. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
[AI generated] Cass Information Systems is a US-based company specializing in payment and information services. It provides freight invoice processing, auditing, and payment solutions, along with utility and telecom expense management. Operating primarily in the financial technology and business process outsourcing industry, Cass serves large corporations across North America and globally, helping clients manage and analyze invoice data to optimize spending and operational efficiency.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.