terror alert system

National Counter-Terrorism Alert Level

• Certain - terrorist attack is imminent or has occurred
• Expected- terrorist attack is highly likely
• Probable - terrorist attack is likely
• Possible - terrorist attack could occur
• Low - terrorist attack is not expected

Administered by the Federal Attorney-General's Department.

{{Main|Vigipirate}}

Plan Vigipirate

• Yellow - to stress vigilance
• Orange - to warn of terrorist action
• Red - to warn of serious attempts
• Crimson - to warn of major attempts

International Terror Threat Level

• Low: An attack is deemed unlikely.
• Moderate: An attack is possible, but not likely.
• Substantial: An attack is a strong possibility.
• Severe: An attack is highly likely.
• Critical: An attack is imminent or has occurred.

Administered by the Garda Síochána.{{cite news|last1=O'Keeffe|first1=Cormac|title=What is the reality of the threat posed by Islamic extremists in Ireland?|url=http://www.irishexaminer.com/viewpoints/analysis/what-is-the-reality-of-the-threat-posed-by-islamic-extremists-in-ireland-396021.html|url-status=dead|archive-url=https://web.archive.org/web/20160503110420/http://www.irishexaminer.com/viewpoints/analysis/what-is-the-reality-of-the-threat-posed-by-islamic-extremists-in-ireland-396021.html|archive-date=3 May 2016|accessdate=11 May 2016|publisher=Irish Examiner|date=2 May 2016}}

Since November 2015, the international terrorism threat level is considered to be at moderate, meaning an attack is "possible but not likely".{{cite news|title=Terror threat level unaffected by attacks|url=http://www.independent.ie/irish-news/news/terror-threat-level-unaffected-by-attacks-31333802.html|url-status=dead|archive-url=https://web.archive.org/web/20150925042026/http://www.independent.ie/irish-news/news/terror-threat-level-unaffected-by-attacks-31333802.html|archive-date=25 September 2015|accessdate=1 July 2015|publisher=Irish Independent|date=27 June 2015}}{{cite news|last1=Williams|first1=Paul|last2=Brady|first2=Tom|title=Units to counter terrorism step up training|url=http://www.independent.ie/irish-news/units-to-counter-terrorism-step-up-training-34228317.html|url-status=live|archive-url=https://web.archive.org/web/20151125133921/http://www.independent.ie/irish-news/units-to-counter-terrorism-step-up-training-34228317.html|archive-date=25 November 2015|accessdate=24 November 2015|publisher=Irish Independent|date=24 November 2015}}

{{main|Nationaal Coördinator Terrorismebestrijding en Veiligheid}}

• Blue - an unconfirmed information about real terroristic threat[http://nac.gov.ru/urovni-terroristicheskoy-opasnosti.html УРОВНИ ТЕРРОРИСТИЧЕСКОЙ ОПАСНОСТИ | Национальный антитеррористический комитет]{{in lang|ru}}
• Yellow - a confirmed information about real terroristic threat
• Red - an information about committed terrorist act

{{main|UK Threat Levels}}

• Low - an attack is unlikely
• Moderate - an attack is possible, but not likely
• Substantial - an attack is a strong possibility
• Severe - an attack is highly likely
• Critical - an attack is expected imminently or has occurred

Administered by the Joint Terrorist Analysis Centre

{{wikinews|US government to replace color-coded terror alert system}}

Homeland Security Advisory System

{{Main|Terror Alert Level}}

• Low - Low risk of terrorist attacks
• Guarded - General risk of terrorist attacks
• Elevated - Significant risk of terrorist attacks
• High - High risk of terrorist attacks
• Severe - Severe risk of terrorist attacks

Administered by the Department of Homeland Security

National Terrorism Advisory System

• Elevated Threat - Significant or high risk of terrorist attacks
• Imminent Threat - Critical risk of terrorist attacks

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{{DEFAULTSORT:Terror Alert System}}

Category:Alert measurement systems

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