Fallout logo, trademark and the Fallout Games are owned by Bethesda Softworks.
This world is a project using this IP for personal purposes (namely a Tabletop RPG Campaign) using Modiphius's RPG 2d20 System.
Any content created in this world and not copyrighted by Bethesda Softworks can be used freely using the Creative Commons Share-Alike licence.
This article has no secrets.