The perception of intelligence as power has intensified during the Second World
War, when several intelligence agencies has been formalized and significantly
increased. In all countries, new agencies and departments have been set up to
deal with threats. Government publications in developed countries, following the
September 11, 2001 attack, reflected a consensus that intelligence services are
key to preventing mass attacks, spending huge amounts for the intelligence
agencies that are considered a major component of national security systems.
DOI: 10.13140/RG.2.2.16398.20809