This book has research results that address issues of global interest, such as the understanding of security as a human right; deprivation of liberty and limitations on fundamental rights due to terrorist acts; guarantees in proceedings on terrorism; possibilities that information technologies can contribute to achieve the prevention, detection, investigation and prosecution of crimes of terrorism and serious crime; human trafficking and its link to transnational organized crime; money laundering linked to transnational organized crime, and video surveillance as a new technological element and its use in security areas as an instrument for preventing citizen insecurity.