Getting familiar with threat modeling concepts

Threat modeling is more or less associated with software development as an exercise that occurs after the software design phase but prior to software deployment. These exercises are known to take place in software development, system, network, and security teams upon major software releases by either drawing a full end-to-end data flow diagram or a data flow and network diagram to determine how to employ security controls and countermeasures. These drawings can be physically on a white board or via software tools such as Microsoft's free Threat Modeling Tool and web applications such as https://draw.io which have a number of template diagrams that can be used for a variety of purposes. The idea is to map out all of the device's functionalities and features to their associated technical dependencies. It is up to the company or individual how threat model formats are drawn out. Keep in mind that threat models can get really granular when breaking...