CTO at HUMAN Security
Leading the engineering efforts at HUMAN Security to detect and disrupt sophisticated bot fraud and invalid traffic at internet scale, protecting the integrity of digital advertising ecosystems.
Last updated Mar 28, 2026 by AI Enrichment
Eyal Pfeifel serves as Chief Technology Officer at HUMAN Security (formerly White Ops), one of the most respected and technically sophisticated cybersecurity and ad fraud prevention platforms in the digital advertising ecosystem. In this role, he oversees the engineering and technical strategy behind HUMAN's bot mitigation infrastructure, which protects billions of digital interactions daily across advertising, marketing, and online platforms. His work sits at the critical intersection of cybersecurity and AdTech, where sophisticated bot networks and fraud operations cost the industry an estimated $80+ billion annually. Pfeifel has been instrumental in advancing HUMAN's technical capabilities to detect and neutralize invalid traffic (IVT), click fraud, and increasingly sophisticated bot-driven ad fraud schemes. Under his technical leadership, HUMAN has expanded its verification and threat intelligence capabilities, helping publishers, advertisers, and platforms maintain the integrity of their digital ecosystems. His engineering work involves large-scale data analysis, machine learning, and real-time decisioning systems capable of operating at massive internet scale. HUMAN Security, which rebranded from White Ops in 2021, has been responsible for some of the most significant bot fraud takedowns in industry history, including operations targeting sophisticated botnets. Pfeifel's technical leadership contributes directly to these high-stakes cybersecurity efforts, making him a notable figure in the ongoing battle to preserve trust and transparency in digital advertising.