Containers such as Docker and CoreOS Rkt deliver incredible capabilities to developers and operators and are powering the DevOps revolution in application development and deployment. Docker in particular has taken industry by storm, resulting in over 8 billion downloads and 500,000+ containerized applications in this open source platform. With all this new-found power comes significant challenges and concerns. Come learn how application containers and micro-services work via the definition published in the NIST publication SP 800-180, understand the security challenges leveraging this new approach, and best practices to address the same as documented in future NIST publications.