The history of EYP as an institutionalized Service begins in 1953, with the establishment of the Central Intelligence Service, which was founded on military standards, with the assistance and upon the model of the respective American Central Intelligence Agency (CIA). According to the then Legislative Decree^[1]in force, an Independent Service was established, directly subordinate to the President of the Republic, with the aim to safeguard National Security, the Security of the Military Forces and Public Security.

^[1] See Official Government Gazette 126, A/09-05-1953/ N.D. 2421