The article explains the change introduced in the political comunication by totalitarian regimes and its repercussions nowadays. To achieve this end, we will consider the following texts by Hannah Arendt: "Totalitarian Propaganda", in the third part of the Origins of Totalitarianism; the chapter "Truth and Politics" from the work Between Past and the Future and the chapter "Lying in Politics - Reflections on the Pentagon Paper" from the book Crisis of the Republic.O artigo explicita a mudança introduzida na comunicação política pelos regimes totalitários e sua repercussão nos dias de hoje. Para tanto, consideraremos os seguintes textos de Hannah Arendt: "A propaganda totalitária" na terceira parte de Origens do tota...