Major objective of this article is to discuss fundamentals of Risk Assessment. Risk assessment will be the determination of quantitative as well as qualitative value of risk related to a concrete situation and also a recognized threat. Quantitative risk evaluation requires calculations of two components of risk:, the magnitude of the potential loss, plus the probability that losing will occur. Acceptable risk can be a risk that is usually understood and tolerated usually as the cost or problem of implementing a highly effective countermeasure for the actual associated vulnerability meets the expectation involving loss. In risk assessment, an organization essentially must identify probable hazards and their following impact. From the meaning itself, one can already see the quantity of comprehensive research that must be done in setting up a danger profile.