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 ...

Learn how to use Microsoft Visio to create process flow diagrams in four easy steps. Choose a template, add shapes and text, connect shapes, and format and customize your diagram.

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.