Click fraud, driven by bots, scripts, and click farms, manipulates ad interactions to inflate metrics and drain budgets. With mobile-first and performance-based advertising, fraud tactics evolved to exploit clicks through techniques like click injection and device emulation. HUMAN and LinkedIn’s Ad Click Defense counters this by validating clicks in real time using behavioral analysis, filtering invalid traffic before billing. HUMAN’s system detects both general and sophisticated invalid traffic, improving data integrity and advertiser trust. As fraud becomes more advanced, industry collaboration and shared intelligence are vital to maintaining transparency and ensuring real engagement.

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