In Israel, there is a guard at the entrance to every store. The guard isn’t very useful to stop an attacker, and yet in several cases the guards’ presence does make a difference, often at the cost of their lives. Security theater is in fact security by obscurity. If played right, it can play a crucial role in the larger security strategy and add a layer of psychological deterrence to potential attackers. The goal of a terror organization is to destroy the sense of security people enjoy in their lives, writes Gadi Evron and Imri Goldberg.”]
Source: https://www.csoonline.com/article/2123537/sometimes–security-theater-really-works.html