Tony Fergusson is a cybersecurity strategist with over 30 years of experience spanning networking, security, and IT leadership across diverse global industries. Widely recognized for his visionary approach, Tony was among the earliest pioneers of Zero Trust, adopting its principles in real-world environments well before it became mainstream. As the first-ever Zscaler customer to deploy Zscaler Private Access, Tony broke new ground by extending Zero Trust to Cloud and operational technology environments. Prior to joining Zscaler, he led a secure cloud transformation that became an award-winning benchmark for Zero Trust architecture. Today, Tony serves as a CISO in Residence, advising some of the world’s largest enterprises on cyber resilience, threat-informed defense, and secure digital transformation. His approach blends practical experience with bold innovation, always with a focus on reducing the attack surface and staying ahead of adversaries.