
A twistlock and corner casting together form a standardized rotating connector for securing shipping containers. The primary uses are for locking a container into place on container ship, semi-trailer truck or railway container train; and for lifting of the containers by container cranes and sidelifters.
WikipediaThe most common question we heard at DockerCon this year was: "What’s different about securing Containers versus Virtual Machines?" Watch this short video to hear Twistlock CTO John Morello answer this question and discuss how containers enable a new, scalable, and automated approach to securing your container applications.