Over time, a form of risk analysis called environmental risk analysis has developed.
Environmental risk analysis is a field of study that attempts to understand events and activities that bring risk to human health or the environment.
This relatively new term was developed as a result of an increasing awareness that information security is simply one facet of a multitude of risks that are relevant to IT and the real world processes it supports.
The increasing dependencies of modern society on information and computers networks (both in private and public sectors, including military) Information security grew out of practices and procedures of computer security.
When describing risk however, it is convenient to consider that risk practitioners operate in some specific practice areas.