title: Threat level
text: # Threat level
  
  Threat level is a term used by governments to indicate the state of preparedness required by government servants with regard to threats to the state:
  
  ## Current
  
  * UK Threat Levels, the system used by the United Kingdom since 2006
  * National Terrorism Advisory System, the system used by the United States since 2011
  
  ## Former
  
  * BIKINI state, the system used by the United Kingdom 1970–2006
  * Homeland Security Advisory System, the system used by the United States 2002–2011
  