One would think that the more data we have available, the better would be our decision making capability. However, we are at risk of being swamped with data because of the immense capability of disparate devices now capable of being linked through the Internet Of Things (IOT). All manner of security, location, sensor and tracking devices feed a constant stream of real time data to be stored, categorised, assessed and eventually analysed – possibly. Identifying the wheat from the chaff is a vital first step to optimal utilisation of this Big Data.