Breeze Comet Executes Hundreds of Fraudulent Transactions via Brazilian Payment Systems

Brazilian financial services, retail, and e-commerce organizations have become the target of a financially motivated threat actor dubbed Breeze Comet (formerly UNC5669) since 2024.

Google Threat Intelligence Group (GTIG) and Mandiant teams described the threat actor as "specializing in manipulating payment systems and banking software in Brazil to conduct fraudulent transfers." The adversary

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https://thehackernews.com/2026/09/breeze-comet-executes-hundreds-of.html

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https://thehackernews.com/2026/09/breeze-comet-executes-hundreds-of.html

id: 2838
uid: Il58n
insdate: 2026-09-01 19:10:11
title: Breeze Comet Executes Hundreds of Fraudulent Transactions via Brazilian Payment Systems
additional: Brazilian financial services, retail, and e-commerce organizations have become the target of a financially motivated threat actor dubbed Breeze Comet (formerly UNC5669) since 2024.

Google Threat Intelligence Group (GTIG) and Mandiant teams described the threat actor as "specializing in manipulating payment systems and banking software in Brazil to conduct fraudulent transfers." The adversary
category: Cybersecurity
md5:
guid: https://thehackernews.com/2026/09/breeze-comet-executes-hundreds-of.html
source_url: https://thehackernews.com/2026/09/breeze-comet-executes-hundreds-of.html
updated:
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