Security
Videos
Security is protection from, or resilience against, potential harm. Beneficiaries of security may be persons and social groups, objects and institutions, ecosystems, or any other entity or phenomenon
Refugees fleeing war and insecurity in Iraq and Syria arrive at Lesbos Island, supported by Spanish volunteers, 2015
Security checkpoint at the entrance to the Delta Air Lines corporate headquarters in Atlanta
X-ray machines and metal detectors are used to control what is allowed to pass through an airport security perimeter.
Security checkpoint at the entrance to a shopping mall in Jakarta, Indonesia
Risk
Videos
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.
Firefighters are exposed to risks of fire and building collapse during their work.
Harbor sign warning visitors that use of the walkway is "at your own risk"
Artist's impression of a major asteroid impact, an example of a global catastrophic risk.