Explore lean security principles in this 42-minute LASCON conference talk by Ernest Mueller. Learn how to align security practices with Lean, DevOps, and Continuous Delivery philosophies to enhance organizational speed and efficiency. Discover strategies for implementing attack-driven approaches to software delivery pipelines, increasing transparency and visibility across the organization. Gain insights into defensive systems thinking to reshape the attack landscape while working in harmony with business functions. Understand emerging Lean, Agile, and DevOps techniques, acquire organizational strategies to bridge DevOps and security, and learn to apply effective detection and monitoring through real-world examples. Examine common security challenges and misconceptions, and discover how adopting lean security principles can transform security from a bottleneck to a valuable, integrated process that supports business objectives while efficiently managing risks.