Latest cybersecurity reporting from selected sources.

A Brazilian banking trojan called Ousaban is going after Windows users who bank in Spain and Portugal. Fortinet's FortiGuard Labs identified the campaign in May 2026

Latin America and Europe become the target of two banking trojan campaigns that are designed to infect Windows and Android devices with Grandoreiro and BTMOB malware, respectively

A multi-pronged phishing campaign is targeting Spanish-speaking users in organizations across Latin America and Europe to deliver Windows banking trojans like Casbaneiro (aka Metamorfo) via another malware called Horabot

Cybersecurity researchers have disclosed details of a new banking malware targeting Brazilian users that's written in Rust, marking a significant departure from other known Delphi-based malware families associated with the Latin American cybercrime ecosystem

Cybersecurity researchers have disclosed details of a new campaign that uses WhatsApp as a distribution vector for a Windows banking trojan called Astaroth in attacks targeting Brazil

Brazilian users have emerged as the target of a new self-propagating malware that spreads via the popular messaging app WhatsApp

GhostRedirector Compromising Windows Servers in Brazil, Thailand and VietnamA suspected Chinese cybercrime group is deploying custom malware to compromise Windows servers in Brazil, Thailand, Portugal and Vietnam as part of search engine optimization fraud to promote gambling websites.

Cybersecurity researchers have lifted the lid on a previously undocumented threat cluster dubbed GhostRedirector that has managed to compromise at least 65 Windows servers primarily located in Brazil, Thailand, and Vietnam

Brazil-Targeting Malware Exploits Windows UIA to Evade DetectionA banking Trojan long confined to Brazil has become the first known malware to exploit Microsoft's UI Automation framework to extract credentials, signaling a new tactic that may evade conventional detection. Akamai's findings point to a growing trend of attackers using legitimate system features.

It's the first known instance of malware that abuses the UIA framework and has enabled dozens of attacks against banks and crypto exchanges in Brazil.

The Windows banking trojan known as Coyote has become the first known malware strain to exploit the Windows accessibility framework called UI Automation (UIA) to harvest sensitive information

Brazilian Windows users are the target of a campaign that delivers a banking malware known as Coyote

Also: Internet Archive Limps Back Online, Beware Kerbertoasing and Passkey TakeupThis week, Brazilian police arrested USDoD, Internet Archive is recovering, a Microsoft warning over Kerberoasting and of mounting phishing attacks, Google touted memory safety efforts, Volkswagen said no harm after ransomware attack, and Amazon reported over 175 million customers using passkeys.

Financial institutions in Latin America are being threatened by a banking trojan called Mekotio (aka Melcoz)

Brazilian banking institutions are the target of a new campaign that distributes a custom variant of the Windows-based AllaKore remote access trojan (RAT) called AllaSenha

The threat actors behind the Windows banking malware known as Casbaneiro has been attributed as behind a novel Android trojan called BrasDex that has been observed targeting Brazilian users as part of an ongoing multi-platform campaign

In recent months, a cybercriminal gang known as LAPSUS$ has claimed responsibility for a number of high-profile attacks against technology companies, including: T-Mobile (April 23, 2022) Globant  Okta Ubisoft Samsung Nvidia Microsoft Vodafone In addition to these attacks, LAPSUS$ was also able to successfully launch a ransomware attack against the Brazilian Ministry of Health