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Christopher “Tophs” Elisan is a seasoned APT researcher, author of Malware, Rootkits & Botnets, and former leader of global security teams at RSA NetWitness, Polyswarm, Flashpoint, F‑Secure, and Trend Micro—now spearheading offensive security research and guiding Cobalt’s 450+‑strong pentesting community as Director of Offensive Security Research & Community at Cobalt.