RTCA and Wichita State University’s National Institute for Aviation Research (WSU-NIAR) offer this course to cover DO-391 which addresses Aeronautical Information System Security (AISS) Framework Guidance. This document contains the identification and description of topics which have to be addressed with AISS. It deals with shared responsibility of all relevant stakeholders who are part of civil aviation. The purpose of security in this context should be understood as ensuring safety of flight and maintaining the operation of the civil aviation infrastructure without significant disruption.