Caixa is a organization tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed November 19, 2025; most recent activity November 21, 2025.
A sophisticated malware campaign in Brazil is exploiting WhatsApp to target cryptocurrency users, deploying a banking trojan named 'Eternidade Stealer.' This malware hijacks devices, steals financial data, and spreads…
A security flaw in WhatsApp allowed researchers to extract phone numbers of 3.5 billion users. The exploit involved systematically checking numbers through the app's discovery feature, revealing profile photos for 57%…