The purpose of this document is to describe the consequences and risks of the criminal use of motor vehicles against buildings or sites in order to better assess the threats and to establish a security analysis:a)identification of possible attack methods,b)recommendation of technical elements in the field of protection,c)description of a set of physical protective measures to reinforce the security of public and private buildings,d)recommendation of organizational measures.This document contains information for the professional implementation and application of preventive measures against the unauthorised access of vehicles into buildings or areas. It is necessary to achieve one of the four following protection levels:a)Traffic controlRegulating the use of the different spaces where vehicles occur: traffic lanes, car parks and parking areas, delivery places, pedestrian areas, access routes, etc. The delinquent uses his own vehicle and wants to avoid any damage on it.b)Protection against criminal attacks with vehiclesProtection against burglary, robbery, vandalism, etc. The delinquent uses stolen vehicles to commit criminal acts. He accepts the destruction of the vehicle but wants to preserve his integrity.c)Protection against urban violence and heavy vandalismProtection against ramming and burning cars used against private and public buildings and police enforcement or intervention forces. The delinquent uses any available vehicles. He shows no consideration for the life of other persons. He fights against institutions, authorities and their representatives and wants to destroy the social network of an area.d)Mitigation of the effect of explosives in combination with vehiclesMitigation of the effect of gas trucks, car bombs, etc. Security requirements on doors, windows, façades and their accessories are defined by CEN in normative documents.