El Salvador has been impacted by political instability and socioeconomic upheavals in a perfect environment for organized crime; in the midst of the pacification and democratization of the country after a bloody internal conflict. This essay focuses on private security through a descriptive analysis of the factors that influence its evolution and implications in the country's governability and governance. The analysis of security as a common good, the factors influencing the use of private security and the inter-institutional relations of private security and the police require appropriate regulations based on the aforementioned factors. When considering security as a common good, fundamental rights are mandatory and the basis for the legitimacy of government action.
