Ginkgo is a virtual learning environment created by KEYW Corporation specifically for cybersecurity training. It offers instructors tools to deliver course content including text, images, video and interactive elements. Students can take notes and access additional resources, while assessments include randomized tests and case studies. Ginkgo also features Chronos, which allows students to interact with a simulated computer network to practice skills. Touchstone provides auto-grading of exercises by parsing student data and evaluating it against rubrics to provide scores and feedback without manual grading.