Devices, systems and process for authenticating devices are described. For at least one embodiment, a process for authenticating an IoT device with a hub to initiate an authenticated session, includes the operations of establishing an electronic data connection between an IoT device and a hub, sending an initial authentication signal including a cryptologic component and at least two perceptible components, receiving a responsive message secured by a cryptologic component and including a selection of at least one of the at least two perceptible components, determining whether the selection includes the identifying perceptible component, and establishing an authenticated session between the hub and the IoT device, if the result of the determining step is affirmative.