Explore a comprehensive conference talk on securing cloud instances in rapidly changing environments. Learn about the challenges posed by accelerated instance lifecycles and discover innovative approaches to automate security processes. Gain insights into pre-boot patching, integrated security configurations, and automatic vulnerability scanning and mitigation. Discover the open-source tool "Cloudefigo" and its role in enabling an accelerated security lifecycle. Watch a live demonstration leveraging Amazon Web Services EC2 Cloud-Init scripts and object storage for automated security provisioning. Understand how to create resilient cloud servers with reduced attack surfaces through encryption, secure key repositories, and automated configuration techniques.