Is this app open to any interested person, or has he/she to be a UN member?
Technically, yes, this course is available only for the UN members. There is even an announcement available on the official website that informs users about this.
This is the statement:
This course is mandatory for all staff, local and international, in the United Nations System, and a pre-requisite for obtaining security clearance when travelling to (or within) a country where a security phase is in effect. The course is provided by the United Nations Department of Safety and Security (UNDSS) and is available at: https://training.dss.un.org/courses/login/index.php through the Microsoft Internet Explorer. A copy of the final test certificate will be generated automatically upon completion of the online course.
For additional information, contact the developers using the following: https://agora.unicef.org/course/info.php?id=1831
