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Error 524 Decoy: Unmasking a Global Smishing Operation Hiding Behind Error Pages

lowgroupib_blog

Group-IB researchers expose a large-scale smishing and phishing operation impersonating 260+ brands across 72 countries, using fake Cloudflare error pages, geofencing, and encrypted WebSocket channels for real-time credit card theft.

Original source: https://www.group-ib.com/blog/error-524-decoy-smishing/