Breeze Comet Executes Hundreds of Fraudulent Transactions via Brazilian Payment Systems

Breeze Comet demonstrates how a combination of weak authentication practices and unpatched legacy infrastructure creates a devastating attack surface for financially motivated threat actors. The group's success with password spraying indicates that organizations lacked strong multi-factor authentication and account lockout policies, while exploitation of vulnerable JBoss AS servers reflects chronic patch management failures on internet-facing assets. Using compromised websites as command-and-control infrastructure allowed the attackers to blend into normal traffic, evading detection for long enough to execute hundreds of fraudulent transactions. This case matters because payment system fraud causes direct, quantifiable financial harm and erodes customer trust in digital financial services across an entire sector.