A flow chart is a visual representation of a process. Processes shown in a flow chart could be for any part of your business. You can represent both macro and micro ideas in a flowchart. For instance, ...

Each flow chart is concerned with one particular process or system. It begins with the input of data or materials into the system and traces all the procedures needed to convert the input into its ...

Attack trees or data flow diagrams can be drawn with pen and paper. As this presentation from Luca Bongiorni explains, some of the most popular tools for threat modeling are Microsoft Visio and Excel.