Madison Horn

Madison Horn is Chief Advisor for National Security & Critical Infrastructure at World Wide Technology (WWT), where she advises government agencies, critical infrastructure operators, and enterprise leaders on cybersecurity strategy, national resilience, AI governance, operational technology (OT) security, and public-private collaboration. With more than 15 years of experience spanning cybersecurity, incident response, digital risk, and national security, she helps organizations strengthen resilience against evolving cyber and geopolitical threats.

Horn's career bridges technology, policy, and executive leadership. She began her cybersecurity career at FusionX, leading red-team engagements and incident response operations before joining Accenture Security, where she helped establish the firm's Global Cyber Defense practice. She later held leadership roles within PwC's Cloud Security Practice and Siemens Energy's Global Security organization, developing cybersecurity capabilities for global energy companies and other highly regulated industries. Throughout her career, she has advised Fortune 100 organizations, critical infrastructure providers, and public-sector leaders on cyber resilience, zero trust, industrial control systems (ICS/OT), cloud security, and enterprise risk transformation.