Discourse of terrorism and social media are often discussed the last few years, discussions related to the issue of terrorism is often associated with social media is considered to be one of the tools used to spread the ideology of terrorist networks even recruiting members. Terrorist networks utilizing social media to conduct ideological campaign covertly or overtly and massive. The definition of terrorism employed here is the selective use of fear, subjugation, and Intimidation to disrupt the normal operations of a society. All social system seek ethical and legal norms that satisfy the conditions for continued human survival without giving offence to the major ideological premises on which these respective societies have come to rest. Consequently, while different social systems react differently to terror in accordance with their vision of self interest, no surviving society can be indifferent to the problems raised by terrorism. Terrorist activities have been aiming for and take advantage of ideology and religion for the world community in favor of the claim that their struggle. Genealogy religious radicalism emerged for several reasons. As the pressure of the political regime in power and the failures of the secular ideology of the regime, so the presence of radicalism considered as an alternative ideological only in the fight against oppression and adversity caused by the secular regime so that a group of radicalism assumed that it had no other option but to commit acts of terrorism to counter secular regime. The polarization of political behavior and the fragmentation of political belief are well illustrated in the current rhetoric concerning. Attitudes toward the uses of terror and the functions of terrorist range from a gratuitous belief in terror as the only possible means to bring about social changes to a view of terror and terrorist. The range of views extends from terrorists as the only authentic heroes in notably unheroic age to their demotion as petty criminals who coat their venal act with an ideological gloss.