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.
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.
- 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 or has occurred.
- Blue - an unconfirmed information about real terroristic threat
- Yellow - a confirmed information about real terroristic threat
- Red - an information about committed terrorist act
- 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
- US government to replace color-coded terror alert system
Homeland Security Advisory System
- 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
- Elevated Threat - Significant or high risk of terrorist attacks
- Imminent Threat - Critical risk of terrorist attacks
- ^ 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.
- ^ УРОВНИ ТЕРРОРИСТИЧЕСКОЙ ОПАСНОСТИ | Национальный антитеррористический комитет(in Russian)