Terror alert system
Terror alert systems are standardised emergency population warning systems for describing and disseminating information about terrorism-related threats. They became more popular after the September 11 attacks on the United States in 2001.
Australia
National Counter-Terrorism Alert Level
- Low - terrorist attack is not expected
- Medium - terrorist attack could occur
- High - terrorist attack is likely
- Extreme - terrorist attack is imminent or has occurred
Administered by the Federal Attorney-General's Department.
France
Main article: 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
Ireland (Republic of)
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.
Administered by the Garda Síochána.[1]
Since November 2015, the international terrorism threat level is considered to be at moderate, meaning an attack is "possible but not likely".[2][3]
Netherlands
United Kingdom
Main article: 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
Administered by the Joint Terrorist Analysis Centre
United States
Homeland Security Advisory System
Main article: 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
References
- ↑ O'Keeffe, Cormac (2 May 2016). "What is the reality of the threat posed by Islamic extremists in Ireland?". Irish Examiner. Retrieved 11 May 2016.
- ↑ "Terror threat level unaffected by attacks". Irish Independent. 27 June 2015. Retrieved 1 July 2015.
- ↑ Williams, Paul; Brady, Tom (24 November 2015). "Units to counter terrorism step up training". Irish Independent. Retrieved 24 November 2015.
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