• Mass casualty attacks: These are attacks that are designed to kill or injure a large number of people. Mass casualty attacks can be carried out using a variety of methods, including bombings, shootings, and chemical or biological weapons. Mass casualty attacks have been used by a number of terrorist groups, including al-Qaeda, ISIS, and the Aum Shinrikyo cult.
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  Mass casualty terrorist attack

• Cyberwarfare: This is the use of computer networks to attack or disrupt critical infrastructure. Cyberwarfare can be used to steal data, launch denial-of-service attacks, or even bring down entire networks. Cyberwarfare has been used by a number of terrorist groups, including ISIS and the hacktivist group Anonymous.
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  Cyberwarfare terrorist attack

• Insurgency: This is a form of warfare in which a group of irregular fighters uses guerrilla tactics to fight against a larger, more powerful force. Insurgencies can be motivated by a variety of factors, including political, religious, or ethnic grievances. Insurgencies have been used by a number of terrorist groups, including the Taliban, Hamas, and the Kurdistan Workers’ Party (PKK).
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  Insurgency terrorist attack

The specific methods used by terrorist groups vary depending on a number of factors, including the group’s ideology, goals, and capabilities. However, all of these methods are designed to achieve the same goal: to sow fear and chaos and to achieve the group’s political or religious objectives.

Here are some examples of terrorist organizations that have used these warfare methods:

• al-Qaeda: al-Qaeda is a terrorist organization that was founded by Osama bin Laden in the late 1980s. al-Qaeda is motivated by a radical interpretation of Islam, and it has carried out a number of high-profile attacks, including the 9/11 attacks. al-Qaeda has used a variety of methods, including suicide bombings, mass casualty attacks, and cyberwarfare.
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  al-Qaeda terrorist organization

• ISIS: ISIS is a terrorist organization that emerged in the Middle East in the early 2010s. ISIS is motivated by a radical interpretation of Islam, and it has quickly become one of the most powerful terrorist organizations in the world. ISIS has used a variety of methods, including suicide bombings, mass casualty attacks, and insurgencies.
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  ISIS terrorist organization

• The Tamil Tigers: The Tamil Tigers were a terrorist organization that fought for an independent Tamil state in Sri Lanka. The Tamil Tigers used a variety of methods, including suicide bombings, mass casualty attacks, and insurgencies.
  Opens in a new windowen.wikipedia.org

  Tamil Tigers terrorist organization

The threat of new terrorism is a serious one, and it is important to be aware of the different methods that terrorist groups use. By understanding these methods, we can better protect ourselves from them.