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Yamam, one of Israel's counterterrorism units.

Coast Guard on counterterrorism patrol in Upper New York Bay. Verrazano-Narrows Bridge in distance spanning The Narrows between Brooklyn (left) and Staten Island (right).

Counter-terrorism (also spelled counterterrorism) incorporates the practice, military tactics, techniques, and strategy that government, military, law enforcement, business, and intelligence agencies use to combat or prevent terrorism. Counter-terrorism strategies include attempts to counter financing of terrorism.

If terrorism is part of a broader insurgency, counter-terrorism may employ counter-insurgency measures. The United States Armed Forces use the term foreign internal defense for programs that support other countries in attempts to suppress insurgency, lawlessness, or subversion or to reduce the conditions under which these threats to security may develop.^{[citation needed][1]}

History

Special Branch detectives on an undercover operation at the London Docks, 1911.

In response to the escalating terror campaign in Britain carried out by the militant Irish Fenians in the 1880s, the Home Secretary, Sir William Harcourt, established the first counter-terrorism unit ever. The Special Irish Branch was initially formed as a section of the Criminal Investigation Department of the London Metropolitan Police in 1883, to combat Irish republican terrorism through infiltration and subversion.

Harcourt envisioned a permanent unit dedicated to the prevention of politically motivated violence through the use of modern techniques such as undercover infiltration. This pioneering branch was the first to be trained in counter-terrorism techniques.^[2]

Its name was changed to Special Branch as it had its remit gradually expanded^[3]
to incorporate a general role in counterterrorism, combating foreign subversion and infiltrating organized crime. Law enforcement agencies, in Britain and elsewhere, established similar units.^[4]

Counterterrorism forces expanded with the perceived growing threat of terrorism in the late 20th century. Specifically, after the September 11 attacks, Western governments made counter-terrorism efforts a priority, including more foreign cooperation, shifting tactics involving red teams^[5] and preventive measures.^[6]

Planning

Intelligence, surveillance and reconnaissance

Most counter-terrorism strategies involve an increase in standard police and domestic intelligence. The central activities are traditional: interception of communications, and the tracing of persons. New technology has, however, expanded the range of military and law enforcement operations.

Shayetet 13, the Israeli naval special forces.

Domestic intelligence is often directed at specific groups, defined on the basis of origin or religion, which is a source of political controversy. Mass surveillance of an entire population raises objections on civil liberties grounds. Homegrown terrorists, especially lone wolves are often harder to detect because of their citizenship or legal status and ability to stay under the radar.

To select the effective action when terrorism appears to be more of an isolated event, the appropriate government organizations need to understand the source, motivation, methods of preparation, and tactics of terrorist groups. Good intelligence is at the heart of such preparation, as well as political and social understanding of any grievances that might be solved. Ideally, one gets information from inside the group, a very difficult challenge for HUMINT because operational terrorist cells are often small, with all members known to one another, perhaps even related.^[7]

Counterintelligence is a great challenge with the security of cell-based systems, since the ideal, but nearly impossible, goal is to obtain a clandestine source within the cell. Financial tracking can play a role, as can communications intercept, but both of these approaches need to be balanced against legitimate expectations of privacy.

Legal contexts

In response to the growing legislation.

 United Kingdom

• The United Kingdom has had anti-terrorism legislation in place for more than thirty years. The Prevention of Violence Act 1939 was brought in response to an Irish Republican Army (IRA) campaign of violence under the S-Plan. This act had been allowed to expire in 1953 and was repealed in 1973 to be replaced by the Prevention of Terrorism Acts a response to the Troubles in Northern Ireland. From 1974 to 1989 the temporary provisions of the act were renewed annually.


• In 2000 the Acts were replaced with the more permanent Terrorism Act 2000, which contained many of their powers, and then the Prevention of Terrorism Act 2005.


• The Anti-terrorism, Crime and Security Act 2001 was formally introduced into the Parliament November 19, 2001 two months after the September 11, 2001 attacks in the United States. It received royal assent and went into force on December 13, 2001. On December 16, 2004 the Law Lords ruled that Part 4 was incompatible with the European Convention on Human Rights, but under the terms of the Human Rights Act 1998 it remained in force. The Prevention of Terrorism Act 2005 was drafted to answer the Law Lords ruling and the Terrorism Act 2006 creates new offences related to terrorism, and amends existing ones. The Act was drafted in the aftermath of the 7 July 2005 London bombings, and like its predecessors some of its terms have proven to be highly controversial.

Since 1978 the UK's terrorism laws have been regularly reviewed by a security-cleared Independent Reviewer of Terrorism Legislation, whose often influential reports are submitted to Parliament and published in full.

 United States

• U.S. legal issues surrounding this issue include rulings on the domestic employment of deadly force by law enforcement organizations.


• Search and seizure is governed by the Fourth Amendment to the United States Constitution.


• The U.S. passed the USA PATRIOT Act after the September 11 attacks, as well as a range of other legislation and executive orders relating to national security.


• The Department of Homeland Security was established to consolidate domestic security agencies to coordinate anti-terrorism, as well as national response to major natural disasters and accidents.


• The Posse Comitatus Act limits domestic employment of the United States Army and the United States Air Force, requiring Presidential approval prior to deploying the Army and/or the Air Force. Pentagon policy also applies this limitation to the United States Marine Corps and the United States Navy, because the Posse Comitatus Act doesn't cover naval services, even though they are federal military forces. The Department of Defense can be employed domestically on Presidential order, as was done during the Los Angeles riots of 1992, Hurricane Katrina, and the Beltway Sniper incidents.


• External or international use of lethal force would require a Presidential finding.


• In February 2017, sources claimed that the Trump administration intends to rename and revamp the U.S. government program Countering Violent Extremism (CVE) to solely focus on Islamist extremism.^[8]

 Australia

• Australia has passed several anti-terrorism acts. In 2004, a bill comprising three acts Anti-terrorism Act, 2004, (No 2) and (No 3) was passed. Then Attorney-General, Philip Ruddock, introduced the Anti-terrorism bill, 2004 on March 31. He described it as "a bill to strengthen Australia's counter-terrorism laws in a number of respects – a task made more urgent following the recent tragic terrorist bombings in Spain." He said that Australia's counter-terrorism laws "require review and, where necessary, updating if we are to have a legal framework capable of safeguarding all Australians from the scourge of terrorism." The Australian Anti-Terrorism Act 2005 supplemented the powers of the earlier acts. The Australian legislation allows police to detain suspects for up to two weeks without charge and to electronically track suspects for up to a year. The Australian Anti-Terrorism Act of 2005 included a "shoot-to-kill" clause. In a country with entrenched liberal democratic traditions, the measures are controversial and have been criticized by civil libertarians and Islamic groups.^{[citation needed]}

 Israel

• Israel monitors a list of designated terrorist organizations and has laws forbidding membership in such organizations, funding or helping them in any way.


• On December 14, 2006 the Israeli Supreme Court ruled targeted killings were a permitted form of self-defense.^[9]


• In 2016 the Israeli Knesset passed a comprehensive law against terrorism, forbidding any kind of terrorism and support of terrorism, and setting severe punishments for terrorists. The law also regulate legal efforts against terrorism.^[10]

Human rights

John Walker Lindh was captured as an enemy combatant during the United States' 2001 invasion of Afghanistan.

One of the primary difficulties of implementing effective counter-terrorist measures is the waning of civil liberties and individual privacy that such measures often entail, both for citizens of, and for those detained by states attempting to combat terror.^[11] At times, measures designed to tighten security have been seen as abuses of power or even violations of human rights.^[12]

Examples of these problems can include prolonged, incommunicado detention without judicial review or long periods of 'preventive detention';^[13] risk of subjecting to torture during the transfer, return and extradition of people between or within countries; and the adoption of security measures that restrain the rights or freedoms of citizens and breach principles of non-discrimination.^[14] Examples include:

• In November 2003 Malaysia passed new counter-terrorism laws that were widely criticized by local human rights groups for being vague and overbroad. Critics claim that the laws put the basic rights of free expression, association, and assembly at risk. Malaysia persisted in holding around 100 alleged militants without trial, including five Malaysian students detained for alleged terrorist activity while studying in Karachi, Pakistan.^[14]


• In November 2003 a Canadian-Syrian national, Maher Arar, alleged publicly that he had been tortured in a Syrian prison after being handed over to the Syrian authorities by U.S.^[14]


• In December 2003 Colombia's congress approved legislation that would give the military the power to arrest, tap telephones and carry out searches without warrants or any previous judicial order.^[14]


• Images of unpopular treatment of detainees in US custody in Iraq and other locations have encouraged international scrutiny of US operations in the war on terror.^[15]


• Hundreds of foreign nationals remain in prolonged indefinite detention without charge or trial in Guantánamo Bay, despite international and US constitutional standards some groups believe outlaw such practices.^[15]


• Hundreds of people suspected of connections with the Taliban or al Qa'eda remain in long-term detention in Pakistan or in US-controlled centers in Afghanistan.^[15]


• China has used the "war on terror" to justify its policies in the predominantly Muslim Xinjiang Uighur Autonomous Region to stifle Uighur identity.^[15]


• In Morocco, Saudi Arabia, Tunisia, Yemen and other countries, scores of people have been arrested and arbitrarily detained in connection with suspected terrorist acts or links to opposition armed groups.^[15]


• Until 2005 eleven men remained in high security detention in the UK under the Anti-Terrorism, Crime and Security Act 2001.^[15]

Many would argue that such violations could exacerbate rather than counter the terrorist threat.^[14] Human rights advocates argue for the crucial role of human rights protection as an intrinsic part to fight against terrorism.^[15][16] This suggests, as proponents of human security have long argued, that respecting human rights may indeed help us to incur security. Amnesty International included a section on confronting terrorism in the recommendations in the Madrid Agenda arising from the Madrid Summit on Democracy and Terrorism (Madrid March 8–11, 2005):

Democratic principles and values are essential tools in the fight against terrorism. Any successful strategy for dealing with terrorism requires terrorists to be isolated. Consequently, the preference must be to treat terrorism as criminal acts to be handled through existing systems of law enforcement and with full respect for human rights and the rule of law. We recommend: (1) taking effective measures to make impunity impossible either for acts of terrorism or for the abuse of human rights in counter-terrorism measures. (2) the incorporation of human rights laws in all anti-terrorism programmes and policies of national governments as well as international bodies."^[15]

While international efforts to combat terrorism have focused on the need to enhance cooperation between states, proponents of human rights (as well as human security) have suggested that more effort needs to be given to the effective inclusion of human rights protection as a crucial element in that cooperation. They argue that international human rights obligations do not stop at borders and a failure to respect human rights in one state may undermine its effectiveness in the international effort to cooperate to combat terrorism.^[14]

Preemptive neutralization

Some countries see preemptive attacks as a legitimate strategy. This includes capturing, killing, or disabling suspected terrorists before they can mount an attack. Israel, the United Kingdom, the United States, and Russia have taken this approach, while Western European states generally do not.

Another major method of preemptive neutralization is interrogation of known or suspected terrorists to obtain information about specific plots, targets, the identity of other terrorists, whether or not the interrogation subjects himself is guilty of terrorist involvement. Sometimes more extreme methods are used to increase suggestibility, such as sleep deprivation or drugs. Such methods may lead captives to offer false information in an attempt to stop the treatment, or due to the confusion brought on by it. These methods are not tolerated by European powers. In 1978 the European Court of Human Rights ruled in the Ireland v. United Kingdom case that such methods amounted to a practice of inhuman and degrading treatment, and that such practices were in breach of the European Convention on Human Rights Article 3 (art. 3).

Non-military

The human security paradigm outlines a non-military approach which aims to address the enduring underlying inequalities which fuel terrorist activity. Causal factors need to be delineated and measures implemented which allow equal access to resources and sustainability for all people. Such activities empower citizens providing 'freedom from fear' and 'freedom from want'.

This can take many forms including the provision of clean drinking water, education, vaccination programs, provision of food and shelter and protection from violence, military or otherwise. Successful human security campaigns have been characterized by the participation of a diverse group of actors including governments, NGOs, and citizens.

Foreign internal defense programs provide outside expert assistance to a threatened government. FID can involve both non-military and military aspects of counter-terrorism.

A 2017 study found that "governance and civil society aid is effective in dampening domestic terrorism, but this effect is only present if the recipient country is not experiencing a civil conflict."^[17]

Military

U.S. Marines in Afghanistan

Terrorism has often been used to justify military intervention in countries like Pakistan where terrorists are said to be based. That was the main stated justification for the U.S. invasion of Afghanistan. It was also a stated justification for the second Russian invasion of Chechnya.

Military intervention has not always been successful in stopping or preventing future terrorism, like during the Malayan Emergency, the Mau Mau uprising, and most of the campaigns against the IRA during the Irish Civil War, the S-Plan, the Border Campaign (IRA) and the Troubles in Northern Ireland. Although military action can disrupt a terrorist group's operations temporarily, it sometimes doesn't end the threat completely.^[18]

Thus repression by the military in itself (particularly if it is not accompanied by other measures) usually leads to short term victories, but tend to be unsuccessful in the long run (e.g. the French's doctrine described in Roger Trinquier's book Modern War^[19] used in Indochina and Algeria). However, new methods (see the new Counterinsurgency Field Manual^[20]) such as those taken in Iraq have yet to be seen as beneficial or ineffectual.

Preparation

Police, fire, and emergency medical response organizations have obvious roles. Local firefighters and emergency medical personnel (often called "first responders") have plans for mitigating the effects of terrorist attacks, although police may deal with threats of such attacks.

Target-hardening

Whatever the target of terrorists, there are multiple ways of hardening the targets to prevent the terrorists from hitting their mark, or reducing the damage of attacks. One method is to place Hostile vehicle mitigation to enforce protective standoff distance outside tall or politically sensitive buildings to prevent car and truck bombing. Another way to reduce the impact of attacks is to design buildings for rapid evacuation.^[21]

Aircraft cockpits are kept locked during flights, and have reinforced doors, which only the pilots in the cabin are capable of opening. UK railway stations removed their rubbish bins in response to the Provisional IRA threat, as convenient locations for depositing bombs.

Scottish stations removed theirs after the 7 July 2005 London Bombings as a precautionary measure. The Massachusetts Bay Transportation Authority purchased bomb-resistant barriers after the September 11 terrorist attacks.

Iron Dome air defense system. It intercepts artillery rockets fired by terrorist onto Israeli cities and towns.

As Israel is suffering from constant shelling of its cities, towns and settlements by artillery rockets from the Gaza Strip (mainly by Hamas, but also by other Palestinian factions) and Lebanon (mainly by Hezbollah), Israel developed several defensive measures against artillery, rockets and missiles. These include building a bomb shelter in every building and school, but also deploying active protection systems like the Arrow ABM, Iron Dome and David's Sling batteries which intercept the incoming threat in the air. Iron Dome has successfully intercepted hundreds of Qassam rockets and Grad rockets fired by Palestinians from the Gaza Strip.

A more sophisticated target-hardening approach must consider industrial and other critical industrial infrastructure that could be attacked. Terrorists need not import chemical weapons if they can cause a major industrial accident such as the Bhopal disaster or the Halifax Explosion. Industrial chemicals in manufacturing, shipping, and storage need greater protection, and some efforts are in progress.^[22] To put this risk into perspective, the first major lethal chemical attack in WWI used 160 tons of chlorine. Industrial shipments of chlorine, widely used in water purification and the chemical industry, travel in 90 or 55 ton tank cars.

To give one more example, the North American electrical grid has already demonstrated, in the Northeast Blackout of 2003, its vulnerability to natural disasters coupled with inadequate, possibly insecure, SCADA (supervisory control and data acquisition) networks. Part of the vulnerability is due to deregulation leading to much more interconnection in a grid designed for only occasional power-selling between utilities. A small number of terrorists, attacking key power facilities when one or more engineers have infiltrated the power control centers, could wreak havoc.

Equipping likely targets with containers (i.e., bags) of pig lard has been utilized to discourage attacks by suicide bombers. The technique was apparently used on a limited scale by British authorities in the 1940s.^[23] The approach stems from the idea that Muslims perpetrating the attack would not want to be "soiled" by the lard in the moment prior to dying. The idea has been suggested more recently as a deterrent to suicide bombings in Israel.^[24] However, the actual effectiveness of this tactic is probably limited as it is possible that a sympathetic Islamic scholar could issue a fatwa proclaiming that a suicide bomber would not be polluted by the swine products.

Command and control

In North America and other continents, for a threatened or completed terrorist attack, the Incident Command System (ICS) is apt to be invoked to control the various services that may need to be involved in the response. ICS has varied levels of escalation, such as might be needed for multiple incidents in a given area (e.g., the 2005 bombings in London or the 2004 Madrid train bombings, or all the way to a National Response Plan invocation if national-level resources are needed. National response, for example, might be needed for a nuclear, biological, radiological, or large chemical attack.

Damage mitigation

Fire departments, perhaps supplemented by public works agencies, utility providers (e.g., gas, water, electricity), and heavy construction contractors, are most apt to deal with the physical consequences of an attack.

Local security

Again under an incident command model, local police can isolate the incident area, reducing confusion, and specialized police units can conduct tactical operations against terrorists, often using specialized counter-terrorist tactical units. Bringing in such units will normally involve civil or military authority beyond the local level.

Medical services

Emergency medical services will triage, treat, and transport the more seriously affected victims to hospitals, which will also need to have mass casualty and triage plans in place.

Public health agencies, from local to national level, may be designated to deal with identification, and sometimes mitigation, of possible biological attacks, and sometimes chemical or radiologic contamination.

Tactical units

Royal Malaysia Police Pasukan Gerakan Khas officers

Today, many countries have special units designated to handle terrorist threats. Besides various security agencies, there are elite tactical units, also known as special mission units, whose role is to directly engage terrorists and prevent terrorist attacks.
Such units perform both in preventive actions, hostage rescue and responding to on-going attacks. Countries of all sizes can have highly trained counter-terrorist teams. Tactics, techniques and procedures for manhunting are under constant development.

Most of these measures deal with terrorist attacks that affect an area, or threaten to do so. It is far harder to deal with assassination, or even reprisals on individuals, due to the short (if any) warning time and the quick exfiltration of the assassins.^[25]

These units are specially trained in tactics and are very well equipped for CQB with emphasis on stealth and performing the mission with minimal casualties. The units include take-over force (assault teams), snipers, EOD experts, dog handlers and intelligence officers. See Counter-intelligence and counter-terrorism organizations for national command, intelligence, and incident mitigation.

The majority of counter-terrorism operations at the tactical level, are conducted by state, federal and national law enforcement agencies or intelligence agencies. In some countries, the military may be called in as a last resort. Obviously, for countries whose military are legally permitted to conduct police operations, this is a non-issue, and such counter-terrorism operations are conducted by their military.

See counter-intelligence for command, intelligence and warning, and incident mitigation aspects of counter-terror.

Examples of actions

Some counterterrorist actions of the 20th and 21st century are listed below. See list of hostage crises for a more extended list, including hostage-taking that did not end violently.

Designing Anti-terrorism systems

Transparent garbage bin installed at Central station in Sydney so police can check its contents

The scope for Anti-terrorism systems is very large in physical terms (long borders, vast areas, high traffic volumes in busy cities, etc.) as well as in other dimensions, such as type and degree of terrorism threat, political and diplomatic ramifications, and legal issues. In this environment, the development of a persistent Anti-terrorism protection system is a daunting task. Such a system should bring together diverse state-of-the-art technologies to enable persistent intelligence, surveillance and reconnaissance missions, and enable potential actions. Designing such a system-of-systems comprises a major technological project.

A particular design problem for this system is that it will face many uncertainties in the future. The threat of terrorism may increase, decrease or remain the same, the type of terrorism and location are difficult to predict, and there are technological uncertainties. Yet we want to design a terrorism system conceived and designed today in order to prevent acts of terrorism for a decade or more. A potential solution is to incorporate flexibility into system design for the reason that the flexibility embedded can be exercised in future as uncertainty unfolds and updated information arrives. And the design and valuation of a protection system should not be based on a single scenario, but an array of scenarios. Flexibility can be incorporated in the design of the terrorism system in the form of options that can be exercised in the future when new information is available. Using these 'real options' will create a flexible Anti-terrorism system that is able to cope with new requirements that may arise.^[29]

Law enforcement/Police

While some countries with longstanding terrorism problems, such as Israel, have law enforcement agencies primarily designed to prevent and respond to terror attacks,^[30] in other nations, counter-terrorism is a relatively more recent objective of civilian police and law enforcement agencies.^[31][32]

While some civil-libertarians and criminal justice scholars have called-out efforts of law enforcement agencies to combat terrorism as futile and expensive^[33] or as threats to civil liberties,^[33] other scholars have begun describing and analyzing the most important dimensions of the policing of terrorism as an important dimension of counterterrorism, especially in the post-9/11 era, and have argued how police institutions view terrorism as a matter of crime control.^[31] Such analyses bring out the civilian police role in counterterrorism next to the military model of a 'war on terror'.^[34]

Counter-Terrorism and American Law Enforcement

Hostage Rescue Team agents

Pursuant to passage of the Homeland Security Act of 2002, federal, state, and local law enforcement agencies began to systemically reorganize.^[35][36] Two primary federal agencies (the Department of Justice (DOJ) and the Department of Homeland Security (DHS)) house most of the federal agencies that are prepared to combat domestic and international terrorist attacks. These include the Border Patrol, the Secret Service, the Coast Guard and the FBI.

Following suit from federal changes pursuant to 9/11, however, most state and local law enforcement agencies began to include a commitment to "fighting terrorism" in their mission statements.^[37][38] Local agencies began to establish more patterned lines of communication with federal agencies. Some scholars have doubted the ability of local police to help in the war on terror and suggest their limited manpower is still best utilized by engaging community and targeting street crimes.^[39]

While counter-terror measures (most notably heightened airport security, immigrant profiling^[40] and border patrol) have been adapted during the last decade, to enhance counter-terror in law enforcement, there have been remarkable limitations to assessing the actual utility/effectiveness of law enforcement practices that are ostensibly preventative.^[41] Thus, while sweeping changes in counter-terrorism rhetoric redefined most American post 9/11 law enforcement agencies in theory, it is hard to assess how well such hyperbole has translated into practice.

In intelligence-led policing(ILP) efforts, the most quantitatively amenable starting point for measuring the effectiveness of any policing strategy (i.e.: Neighborhood Watch, Gun Abatement, Foot Patrols, etc.) is usually to assess total financial costs against clearance rates or arrest rates. Since terrorism is such a rare event phenomena,^[42] measuring arrests or clearance rates would be a non-generalizable and ineffective way to test enforcement policy effectiveness. Another methodological problem in assessing counter-terrorism efforts in law enforcement hinges on finding operational measures for key concepts in the study of homeland security. Both terrorism and homeland security are relatively new concepts for criminologists, and academicians have yet to agree on the matter of how to properly define these ideas in a way that is accessible.

Assault car of the French GIGN.

International Counter-Terrorism Agencies

SEK members of North Rhine-Westphalia (Germany) during an exercise

+ indicates military organization allowed to operate domestically.

• 
  Albania: RENEA
  


• 
  Algeria: GIS, DSI [fr], GOSP.


• 
  Argentina: GEOF (Special Group of Federal Operations, Federal Arg Police) Falcon Commando (Comando Halcon, State Buenos Aires Police)


• Australia: State and Australian Federal Police, Police Tactical Groups, Tactical Assault Group (TAG East & TAG West), and Australian Security and Intelligence Organization (ASIO)


• 
  Austria: EKO Cobra; Austrian Military Police; Jagdkommando
  


• 
  Bangladesh: 1st Para-commando Battalion, Navy Special Warfare Diving and Salvage (BN SWADS)


• 
  Brazil: State/local Police SWAT teams: BOPE, COE, GATE, COT
  


• 
  Belgium: Directorate of special units (DSU) Federal Police Special Units
  


• 
  Bosnia and Herzegovina: SIPA
  


• 
  Bulgaria: Specializiran Otriad za Borba s Terorizma
  


• Canada: Emergency Task Force, Joint Task Force 2
  

• 
  Chile: GOPE (Police Special Operations Group, Chilean Carabineros) ERTA (Tactic Reaction Team, PDI Chilean Civil Police)


• 
  China: Snow Leopard Commando Unit+, Beijing SWAT.


• 
  Colombia: AFEUR+, GAULA, COPES


• 
  Croatia: Lučko Anti-Terrorist Unit, RH Alfa
  


• 
  Czech Republic: URNA National Police Rapid Response Unit or Útvar rychlého nasazení
  


• 
  Denmark: Politiets Aktionsstyrke
  


• 
  Dominican Republic: Anti-terrorism Special Command – Comando Especial Contra Terrorismo


• 
  Egypt: Unit 777, Hostage Rescue Force HRF
  


• 
  Estonia: K-Commando
  


• 
  Finland: Karhu-ryhmä, Utti Jaeger Regiment, Guard Jaeger Regiment
  


• France: BRI-BAC (Paris Police Prefecture), RAID (National Police) and GIGN (National Gendarmerie)


• 
  Georgia: Designated - Counter Terrorism Center State Security Service, Federal: MIA - Special Emergency and Crisis Center


• Germany: Federal Police: GSG 9 and BFE+ / State Police: SEK and MEK
  


• 
  Greece: Anti-Terror Division, Greek Police and Special Anti-Terrorist Unit.


• 
  Hungary: Counter Terrorism Centre, Alert Police, Hungarian Homeland Defence Forces
  


• 
  Hong Kong : Special Duties Unit, Airport Security Unit, Counter Terrorism Response Unit
  


• 
  Iceland: Víkingasveitin
  

NSG Commandos of India

• 
  India: Rashtriya Rifles, NSG, NIA, Anti Terrorist Squad, Force One, Thunderbolt, state/local Police SWAT teams


• 
  Indonesia: Detachment 88 (Police), Satuan 81/Gultor (Army)+, Detachment Bravo 90+ (Air Force), Jala Mengkara Detachment+ (Navy)


• 
  Iran: NAJA (Iranian Police), NOPO (Counter-terrorism Special Force), Police Amniat (Security Police)


• 
  Iraq: Iraqi Hillah Swat, Kurdish anti terror, Iraqi Counter Terrorism Force
  


• Ireland: Garda Special Detective Unit, Garda Emergency Response Unit, Garda National Surveillance Unit, Defence Forces Directorate of Military Intelligence+, Defence Forces Army Ranger Wing+


• 
  Israel: YAMAM – elite Israeli Police anti-terror unit (counter-terror, foiling terrorism, hostages rescue etc.), "Mistaaravim" – IDF and Border Guard undercover units for foiling terrorism, Shin Bet – counter-terrorism intelligence and security agency


• Italy: NOCS, GIS, A.P.I. Aliquota Primo Intervento,^[43]ATPI
  


• Japan: Special Assault Team (Japanese Police), Special Security Team (Japan Coast Guard), Central Readiness Force (JGDSF)


• 
  Kosovo: NJSI-SIU Special Intervenation Unit
  


• 
  Latvia: OMEGA police unit


• 
  Lithuania: ARAS (Force) Lithuanian Police force of antiterrorism operations


• 
  Malaysia: Royal Malaysia Police Special Task Force (Operations / Counter Terrorism), Royal Malaysia Police Pasukan Gerakan Khas, UNGERIN, Rapid Actions Troops, STAR APMM
  


• 
  Mexico: Mexican Army Special Reaction Force, Federal Police GOPES
  


• 
  Morocco: Groupement de Sécurité Gendarmerie Royale


• 
  Netherlands: DSI (Dutch: Dienst Speciale Interventies, Special Interventions Service) and police special arrest teams Royal Marechaussee (Dutch: Brigade Speciale Beveiligingsopdrachten, Special Security Task Brigade) Dutch marines BBE


• 
  New Zealand: NZ Police Special Tactics Group, New Zealand Special Air Service
  


• 
  Nigeria: National Intelligence Agency MOPOL
  


• 
  Norway: Emergency Response Unit, FSK+


• 
  Pakistan: Special Service Group, Pakistan Army Rangers, Elite Police Commandos, Counter Terrorism Department
  


• 
  Philippines: Philippine Army-Light Reaction Regiment, PNP-Special Action Force, Philippine Navy-Naval Special Warfare Group, Philippine Air Force – 710th Special Operations Wing, Philippine Coast Guard-Special Operations Group and police SWAT teams


• 
  Poland: BOA, SPAP, ABW V Directoriate of III Departament
  


• 
  Portugal: GOE and COE
  


• 
  Romania: Brigada Antiteroristă, (counter-terrorist brigade)


• Russia: Spetsgruppa A, Vympel, OMON, Spetsnaz GRU, Vityaz, Rus, SOBR
  


• 
  Serbia: SAJ, PTJ, Cobras MP, MP-CT Battalion
  


• 
  Slovenia: Special Police Unit, SEP Slovenian national police forces


• 
  South Korea: 707th Special Mission Unit, Republic of Korea Navy Special Warfare Flotilla
  


• 
  Sri Lanka: 3rd Sri Lanka Army Special Forces Regiment, 3rd Sri Lanka Army Commando Regiment, Special Task Force
  


• Spain: GEO, UEI and GEI, CITCO
  


• 
  Sweden: National Task Force (Nationella Insatsstyrkan) and Särskilda operationsgruppen (Special Forces)


• 
  Taiwan: Thunder Squad
  


• 
  Turkey: Özel tim-Özel Harekat Timi (Special Team) and Maroon Berets
  


• 
  Tunisia: BAT and USGN
  


• United Kingdom: Counter Terrorism Command
  


• United States: FBI Counter-terrorism Special Agents, FBI Hostage Rescue Team, FBI Special Weapons and Tactics Teams, (FBI SWAT) Federal Air Marshal Service, Delta Force, (US Army), Naval Special Warfare Development Group, CIA Special Activities Division, (SAD) Diplomatic Security Service, Immigration and Customs Enforcement, BORTAC, state/local Police SWAT teams


• 
  Uruguay: GEO (Uruguayan Police) and Escorpión Commando Group (Uruguayan Army)

Military

Irish Army Ranger Wing operators during counter-terrorism training exercise.

Given the nature of operational counter-terrorism tasks national military organizations do not generally have dedicated units whose sole responsibility is the prosecution of these tasks. Instead the counter-terrorism function is an element of the role, allowing flexibility in their employment, with operations being undertaken in the domestic or international context.

In some cases the legal framework within which they operate prohibits military units conducting operations in the domestic arena; United States Department of Defense policy, based on the Posse Comitatus Act, forbids domestic counter-terrorism operations by the U.S. military. Units allocated some operational counter-terrorism task are frequently Special Forces or similar assets.

In cases where military organisations do operate in the domestic context some form of formal handover from the law enforcement community is regularly required, to ensure adherence to the legislative framework and limitations. such as the Iranian Embassy Siege, the British police formally turned responsibility over to the Special Air Service when the situation went beyond police capabilities.

See also

Wikimedia Commons has media related to Counter-terrorism.

Book: Counterterrorism Handbook

• Civilian casualty ratio


• Counterinsurgency


• Counter-IED efforts


• Counterjihad


• Deradicalization


• Explosive detection


• Extrajudicial execution


• Extraordinary rendition


• Fatwa on Terrorism


• Global Initiative to Combat Nuclear Terrorism


• Informant


• Irregular warfare


• Manhunt (law enforcement)


• Manhunt (military)


• Preventive State


• Security increase


• Sociology of terrorism


• 
  Special Activities Division, Central Intelligence Agency


• Targeted killing


• Terrorism Research Center


• War amongst the people

Notes

Further reading

• Ariel Merari, "Terrorism as a Strategy in Insurgency," Terrorism and Political Violence, Vol. 5, No. 4 (Winter 1993), pp. 213–251.


• Edwin Bakker, Tinka Veldhuis, A Fear Management Approach to Counter-Terrorism (International Centre for Counter-Terrorism – The Hague, 2012)
  


• J.M. Berger, Making CVE Work: A Focused Approach Based on Process Disruption, (International Centre for Counter-Terrorism – The Hague, May 2016


• Janos Besenyo: Low-cost attacks, unnoticeable plots? Overview on the economical character of current terrorism, Strategic Impact (ROMANIA) (ISSN: 1841-5784) (eISSN: 1824-9904) 62/2017: (Issue No. 1) pp. 83-100.


• 
  Deflem, Mathieu, and Stephen Chicoine. 2019. "Policing Terrorism." In The Handbook of Social Control, edited by Mathieu Deflem. Hoboken, NJ: Wiley-Blackwell.


• 
  Deflem, Mathieu and Shannon McDonough. 2015. "The Fear of Counterterrorism: Surveillance and Civil Liberties Since 9/11." Society 52(1):70-79.


• Gagliano Giuseppe, Agitazione sovversiva, guerra psicologica e terrorismo (2010)
  ISBN 978-88-6178-600-4, Uniservice Books.


• Ishmael Jones, The Human Factor: Inside the CIA's Dysfunctional Intelligence Culture (2008, revised 2010)
  ISBN 978-1-59403-382-7, Encounter Books.


• Ivan Arreguín-Toft, "Tunnel at the End of the Light: A Critique of U.S. Counter-terrorist Grand Strategy," Cambridge Review of International Affairs, Vol. 15, No. 3 (2002), pp. 549–563.


• Ivan Arreguín-Toft, "How to Lose a War on Terror: A Comparative Analysis of a Counterinsurgency Success and Failure," in Jan Ångström and Isabelle Duyvesteyn, Eds., Understanding Victory and Defeat in Contemporary War (London: Frank Cass, 2007).


• James Mitchell, "Identifying Potential Terrorist Targets" a study in the use of convergence. G2 Whitepaper on terrorism, copyright 2006, G2. Counterterrorism Conference, June 2006, Washington D.C.


• 
  James F. Pastor, "Terrorism and Public Safety Policing:Implications for the Obama Presidency" (2009,
  ISBN 978-1-4398-1580-9, Taylor & Francis).


• Jessica Dorsey, Christophe Paulussen, Boundaries of the Battlefield: A Critical Look at the Legal Paradigms and Rules in Countering Terrorism (International Centre for Counter-Terrorism – The Hague, 2013)
  


• Judy Kuriansky (Editor), "Terror in the Holy Land: Inside the Anguish of the Israeli-Palestinian Conflict" (2006,
  ISBN 0-275-99041-9, Praeger Publishers).


• Lynn Zusman (Editor), "The Law of Counterterrorism" (2012,
  ISBN 978-1-61438-037-5, American Bar Association).* Marc Sageman, Understanding Terror Networks (Philadelphia, PA: University of Pennsylvania Press, 2004),
  ISBN 0-8122-3808-7.


• 
  Newton Lee, Counterterrorism and Cybersecurity: Total Information Awareness (Second Edition) (Switzerland: Springer International Publishing, 2015),
  ISBN 978-3-319-17243-9.


• Teemu Sinkkonen, Political Responses to Terrorism (Acta Universitatis Tamperensis, 2009),
  ISBN 978-9514478710.


• Vandana Asthana, "Cross-Border Terrorism in India: Counterterrorism Strategies and Challenges," ACDIS Occasional Paper (June 2010), Program in Arms Control, Disarmament, and International Security (ACDIS), University of Illinois

External links

• U.S. Bureau of Counterterrorism


• UK Counter Terrorism Policing