Krav Maga Security, a self-defense style of Israeli origin inspired by real-life situations and street fights, the techniques taught are based on the body's natural movements. They are simple and quickly learned and what is simple is often effective. Krav Maga's techniques are based on three principles: 1. Simultaneous defense and counter attacks 2. Natural movements are the most effective 3. A minimum of gestures against a maximum of attacks Krav Maga is used in most of the elite corps of the army and the police of the whole world: in particular the FBI the GIGN, the SWAT or the Detachment of Rapid Action and Dissuasion of the gendarmerie vaudoise (DARD) .