Risk

For other uses, see Risk (disambiguation).

Firefighters are exposed to risks of fire and building collapse during their work.

Risk is the possibility of something bad happening, comprising a level of uncertainty about the effects and implications of an activity, particularly negative and undesirable consequences.

Harbor sign warning visitors that use of the walkway is "at your own risk"

Risk theory, assessment, and management are applied but substantially differ in different practice areas, such as business, economics, environment, finance, information technology, health, insurance, safety, security, and privacy. The international standard for risk management, ISO 31000, provides general guidelines and principles on managing risks faced by organizations.