Lumma Stealer Leverages Browser Fingerprinting for Data Theft and Stealthy C2 Communications

Following the doxxing of Lumma Stealer’s alleged core members last month, the notorious infostealer initially experienced a significant decline in activity as customers migrated to rival platforms like Vidar and StealC. However, recent telemetry data reveals a concerning resurgence of Lumma Stealer operations beginning the week of October 20, 2025, accompanied by sophisticated new capabilities […]

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