Explore how to scale security across application teams through a comprehensive conference talk examining Sportsbet's Security Guardians program implementation. Learn the foundational steps to launch a Security Guardians initiative, including key phases to consider and initial learning pathways for new program participants. Discover practical insights into common challenges faced during program development, lessons learned from real-world implementation, and strategies for refining the program to ensure long-term organizational success. Understand how integrating security expertise directly into application teams creates a culture of shared responsibility that enhances security posture while maintaining development velocity. Gain actionable guidance on building and embedding security knowledge across teams, fostering collaborative security practices, and driving measurable impact through a structured guardians approach that transforms how organizations approach application security at scale.