Since the 9/11 terrorist attacks in the United States, serious concerns were raised on domestic and international security
issues. Consequently, there has been considerable interest recently in technological strategies and resources to counter acts
of terrorism. In this context, this book provides a state-of-the-art survey of the most recent advances in the field of counterterrorism
and open source intelligence, demonstrating how various existing as well as novel tools and techniques can be applied in combating
covert terrorist networks. A particular focus will be on future challenges of open source intelligence and perspectives on
how to effectively operate in order to prevent terrorist activities.