A diagram of Michail Porter's Five Forces based on an image from Porter M. E., Competitive Advantage: Creating and Sustaining Superior Performance (New York: Free Press, 1985), page 5Source: Porter's Five Forces Analysis
The Porter model involves scanning the environment for threats from competitors and identifying problems early on to minimize threats imposed by competitors.
Source: Boundless. “Conducting a Situational Analysis.” Boundless, 26 May. 2016. Retrieved 01 Feb. 2017 from