Cybercrime · Cyber warfare · AI security
Mikko Hypponen
Mikko Hypponen is a cybersecurity researcher, author and keynote speaker who has worked in security research since 1991. His public talks examine malicious software, online crime, digital privacy and the use of technology for surveillance. He has delivered keynotes at DEF CON, RSA and Black Hat, and his TED talks explore threats to the internet and the protection of personal data.
Cyber risk · AI Risk · Incident readiness · Executive security leadership
Mark Lynd
Mark Lynd is a 5x CEO/CIO/CISO and a top-ranked global thought leader in AI and cybersecurity. As Head of Executive Advisory & Strategy at Netsync, he brings current boardroom and frontline experience to keynotes on AI strategy, responsible AI, governance, cybersecurity, and incident readiness. He is an author of four books and U.S. Army veteran (3rd Ranger BTN, 82d ABN).
Human-factor security · Social engineering · Fraud awareness
Jenny Radcliffe
Jenny Radcliffe is a social engineer and speaker whose work focuses on the human element of cybersecurity. Through Human Factor Security, she uses authorized simulated attacks to examine how persuasion, deception and trust can undermine security controls. Her talks cover social engineering, scams, fraud, open-source intelligence and online safety. She also hosts The Human Factor podcast, interviewing security practitioners and other specialists.
Security and privacy · AI risk · Security policy
Bruce Schneier
Bruce Schneier is a security technologist and author working at the intersection of technology, policy and human behavior. He writes the Schneier on Security blog and Crypto-Gram newsletter and has testified before Congress. His books and public talks examine security, privacy, trust and AI. He is a lecturer at Harvard Kennedy School and Chief of Security Architecture at Inrupt.
Adversary simulation · Social engineering · Security culture
Jayson E. Street
Jayson E. Street is a security practitioner, simulated adversary and author of the Dissecting the Hack series. As a Swarm Fellow at CovertSwarm, he works on adversary simulation and draws on practical security experience in his public speaking. His talks and training explore how attackers exploit weaknesses in organizations, using those experiences as teaching opportunities for security teams and wider audiences.
Social engineering · Deepfake awareness · Human risk
Rachel Tobac
Rachel Tobac is an ethical hacker and CEO of SocialProof Security, where she helps organizations address social engineering threats. Her work includes security-awareness training, workshops and live demonstrations showing how attackers exploit trust. She explains phishing, identity verification and AI-enabled impersonation, connecting real attack techniques with practical defenses. Her demonstrations have appeared on CNN and 60 Minutes.
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These informational profiles are selected for publicly documented work relevant to this publication. Inclusion does not imply representation, endorsement, a fee quote, or current availability. Check the linked official sources and contact the provider directly for current details.
Profile sources reviewed November 4, 2026. This is a directory, not a scored ranking.