This book analyzes the ideological roots, structures and operational methods of Jihadi intelligence and counterintelligence activities. Based on a substantive collection of data on terrorist attacks, communication channels, recruitment methods, manuals and statements released by various Jihadi groups, it examines and compares the nature, ideology and realities of Jihadi intelligence operations. The author, an expert on Jihadist ideology and paramilitary intelligence, compares the modus operandi of terrorist groups such as al-Qaeda and the IS with those of governmental intelligence agencies,...