Providing temporary use of a web-based software application for manually and automatedly and collaboratively creating and updating representative diagrams of computing networks, computing systems, and computer applications, and for identifying and reporting on threats to components of the computing networks, computing systems, and computer applications, and for representing and reporting on mitigations for the identified threats, and for determining and reporting on compliance with data protection regulatory standards, all in the fields of computer network security, computer system security, computer application security, and data protection