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

Cybersecurity researchers have discovered a malicious NuGet package that masquerades as a C# software development kit for Sicoob, one of Brazil's largest cooperative financial systems, to siphon client IDs and PFX certificates

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

Threat hunters have flagged a previously undocumented Brazilian banking trojan dubbed TCLBANKER that's capable of targeting 59 banking, fintech, and cryptocurrency platforms

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

The threat actor known as Water Saci is actively evolving its tactics, switching to a sophisticated, highly layered infection chain that uses HTML Application (HTA) files and PDFs to propagate a worm that deploys a banking trojan via WhatsApp in attacks targeting users in Brazil

Cybersecurity researchers have disclosed details of a new campaign that leverages a combination of social engineering and WhatsApp hijacking to distribute a Delphi-based banking trojan named Eternidade Stealer as part of attacks targeting users in Brazil

Threat hunters have uncovered similarities between a banking malware called Coyote and a newly disclosed malicious program dubbed Maverick that has been propagated via WhatsApp

Cybersecurity researchers have disclosed details of a new Android banking trojan called Herodotus that has been observed in active campaigns targeting Italy and Brazil to conduct device takeover (DTO) attacks

Cybersecurity researchers have disclosed a new Android trojan called PhantomCard that abuses near-field communication (NFC) to conduct relay attacks for facilitating fraudulent transactions in attacks targeting banking customers 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

A new spear-phishing campaign targeting Brazil has been found delivering a banking malware called Astaroth (aka Guildma) by making use of obfuscated JavaScript to slip past security guardrails

Mobile users in Brazil are the target of a new malware campaign that delivers a new Android banking trojan named Rocinante

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

Pakistan has become the latest target of a threat actor called the Smishing Triad, marking the first expansion of its footprint beyond the E.U., Saudi Arabia, the U.A.E., and the U.S

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 PixPirate Android banking trojan are leveraging a new trick to evade detection on compromised devices and harvest sensitive information from users in Brazil