Fraud is defined as a deliberate misrepresentation that causes a person or business to suffer damages, often in the form of monetary losses through deception or concealment. And Occupational Fraud as defined by the ACFE is the use of one's occupation for personal enrichment through the deliberate misuse or misapplication of the employing organization's resources or assets. Traditional fraud triangle theory by Donald Cressey explains that propensity of fraud occurring in an organization lies on three critical elements which are Pressure, Opportunity, and Rationalization.

These elements are interrelated in order for fraud to be committed in an organization and every corporate executives needs to understand this theory to enable them know how and why employees perpetrate fraud. Diagram below...