The concept of terrorism according to Youval Noah Harari in his book 21 Lessons says that to reduce acts of terrorism is to not commit hysteria in the mass media. Therefore, the author's question appears to further examine whether there is a mutually beneficial relationship between terrorism and the mass media. How should the mass media, government, and society behave in the face of an act of terrorism? This article uses the library study method. Based on the results of the study found that there is indeed a symbiosis between terrorism and mass media. Acts of terrorism in the mass media have news value and certainly affect the ratings of programs and media. However, it is explained that the media must still hold the principle of social resp...