Explore the fundamental mindset shift required when transitioning from traditional on-premises security approaches to cloud-native security models in this 11-minute conference talk from AWS re:Inforce 2025. Learn how moving to AWS necessitates changing from data center approaches where organizations control everything to embracing a shared responsibility model where AWS manages infrastructure security while you focus on securing applications and data. Discover the importance of adopting new tools, implementing automated security practices, and fostering a culture that treats security as a shared responsibility across all teams rather than limiting it to dedicated security personnel. Understand the key differences between traditional and cloud security paradigms and gain insights into successfully navigating this critical transformation for organizations adopting AWS cloud services.