Risk Treatment

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Official European Definition

Other International Definitions



The concept and practice of reducing disaster risks through systematic efforts to analyse and manage the causal factors of disasters, including through reduced exposure to 11 hazards, lessened vulnerability of people and property, wise management of land and the environment, and improved preparedness for adverse events. Comment: A comprehensive approach to reduce disaster risks is set out in the United Nations-endorsed Hyogo Framework for Action, adopted in 2005, whose expected outcome is “The substantial reduction of disaster losses, in lives and the social, economic and environmental assets of communities and countries.” The International Strategy for Disaster Reduction (ISDR) system provides a vehicle for cooperation among Governments, organisations and civil society actors to assist in the implementation of the Framework. Note that while the term “disaster reduction” is sometimes used, the term “disaster risk reduction” provides a better recognition of the ongoing nature of disaster risks and the ongoing potential to reduce these risks.

National Definitions


Decrease in risk through risk avoidance, risk control or risk transfer. (Source: DHS Lexicon, 2010)


Standard Definition

ISO/IEC 27000:2014

process (2.61) to modify risk (2.68)risk[3](based on the ISO Guide 73:2009[4]) .

Risk treatment can involve:

  • avoiding the risk by deciding not to start or continue with the activity that gives rise to the risk;
  • taking or increasing risk in order to pursue an opportunity;
  • removing the risk source;
  • changing the likelihood;
  • changing the consequences;
  • sharing the risk with another party or parties (including contracts and risk financing) (see Risk Transfer); and
  • retaining the risk by informed choice.

Risk treatments that deal with negative consequences are sometimes referred to as “risk mitigation”, “risk elimination”, “risk prevention” and “risk reduction”.

Risk treatment can create new risks or modify existing risks.

See also