A tool for assessing the likelihood that a risk will occur, and the severity of the impact if the risk does materialise.

the presentation of information about risks in a matrix format , enabling each risk to be presented as the cell of a matrix whose rows are usually the stages in the investment life-cycle and whose columns are different causes of risk . A risk matrix is useful as a checklist of different types of risk which might arise over the life of a project but it must always be supplemented by other ways of discovering risks (see Appendix 3 for a specimen risk matrix).

a matrix with risks located in rows and with impact and likelihood in columns.