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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
FortiGuard says the Brazilian banking trojan Ousaban is targeting Spain and Portugal via phishing
A new multi-stage phishing campaign has been observed targeting users in Russia with ransomware and a remote access trojan called Amnesia RAT
The threat actors behind a malware family known as Winos 4.0 (aka ValleyRAT) have expanded their targeting footprint from China and Taiwan to target Japan and Malaysia with another remote access trojan (RAT) tracked as HoldingHands RAT (aka Gh0stBins)
Cybersecurity researchers have disclosed details of a phishing campaign that delivers a stealthy banking malware-turned-remote access trojan called MostereRAT
Brazilian Windows users are the target of a campaign that delivers a banking malware known as Coyote
Users in Brazil are the target of a new banking trojan known as CHAVECLOAK that's propagated via phishing emails bearing PDF attachments
Beijing Used FortiGate Vulnerability to Install TrojanChinese espionage hackers penetrated Dutch military systems in early 2023, using a zero-day exploit in a Fortinet virtual private network to obtain access, Netherlands intelligence agencies disclosed Tuesday. They attributed the hacking to Chinese state actors with high confidence.
A new variant of remote access trojan called Bandook has been observed being propagated via phishing attacks with an aim to infiltrate Windows machines, underscoring the continuous evolution of the malware
Microsoft Word documents exploiting known remote code execution flaws are being used as phishing lures to drop malware called LokiBot on compromised systems