- Al-Qaeda : International islamist terrorist network. Responsible for the 9-11 attack and other terrorist attacks.
- Jemaah Islamiya : A jihadist group in Southeast Asia, affiliated with al-Qaeda in the common goal of establishing a caliphate
- Extraordinary rendition, U.S., George W. Bush Administration : Policy, legal interpretation and examples, under the George W. Bush Administration, of extraordinary rendition, U.S., primarily related to the Administration's war on terror
- High Value Detainee : Terrorist suspects in U.S. custody, considered to have critical information, for which the Central Intelligence Agency was authorized to use interrogation techniques beyond those normally permitted