Explore a comprehensive conference talk on Cilium, an open-source project leveraging BPF for container security and networking. Dive into the revolutionary aspects of BPF technology, including its applications in application and network security, tracing, and visibility. Learn how Cilium applies BPF to solve networking, security, and load balancing challenges for distributed applications. Discover the integration of Cilium with orchestration systems like Kubernetes to enhance security and networking for cloud-native applications. Gain insights into topics such as DDoS mitigation, L3/L4 load balancing, microservices security, and the evolution of application design and delivery frequency. Understand the implementation of least privilege security for microservices, Kubernetes integration, and policy enforcement mechanisms. Compare traditional sidecar proxy approaches with kernel-based solutions, and examine the performance benefits of socket redirection.