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In this article, we propose an original method combining large-scale network and lexicometric analysis to link identifiable communities of Twitter users with the main discursive themes they used in the aftermath of the Charlie Hebdo attacks in Paris, France in 2015. We used this method to compare tweets and user networks in French and in English. We observed that the majority of the users who tweeted about Charlie Hebdo were people without any particular affiliation, who were shocked by the attacks and immediately expressed themselves through emotionally charged messages. But rather quickly their proportion decreased and they participated less in politically polarizing discussions. On the other hand, we found that smaller, highly politicized, and polarized groups had similar attitudes toward the events: they were less engaged immediately after the attacks in emotional expression of sympathy and shock, but they participated vividly in the following days in polemical discussions or engaged themes. Other findings include the central position of mainstream media and the existence of groups of users that aggregated on the basis of nationality. More generally, our results show clearly that even the most dramatic events such as a terrorist attack with innocent victims do not produce homogeneous reactions online. Rather, political engagement and cultural dispositions are keys to understand different attitudes on Twitter.

This thesis examines extremist Muslim narratives, discourse, and ideologies over the internet by using content analysis to thematically delineate and reconstruct them for the purpose of discovering the argumentation mechanisms through which they become persuasive and appealing. The research problem is that dominant theories in social sciences and popular literature create ‘taken for granted’ inferences that relegate extremist ideologies and narratives to the realm of structural contingencies, psychological pathologies, emotive appeal, manipulated religious ideologies, peculiar and unique rationalities or group dynamics. This thesis hypothesizes instead of the existence of a `logical structure` in extremist Muslim narratives. This logical structure is predicated on rationally persuasive arguments (which employ epistemic and instrumental rationality coupled with inductive/deductive reasoning) that appeal to any rational individual but are ultimately leveraged on for morally wrong end-state choices. Unfortunately much of the counter-narratives today seldom address this logical structure and choose to address the more traditional explanations cited above. Themes and argumentation mechanisms stemming from an examination of extremist Muslim narratives in this study demonstrate the presence and workings of this logical structure.

In the space of 36 minutes on March 15, 2019, it is alleged that Brenton Tarrant, an Australian far-right extremist, fatally shot 51 people in two mosques in Christchurch in the deadliest terrorist attack in New Zealand’s history. What was unique about Tarrant’s attack—at least insofar as extreme-right terrorism is concerned—is that he livestreamed his atrocity on Facebook and in doing so, highlighted the Achilles heel of such platforms when faced with the viral dissemination of extremely violent content.

VOX-Pol Blog post.

VOX-Pol Blog post.

This joint report by the Institute for Strategic Dialogue (ISD) and the Combating Terrorism Center (CTC) at West Point offers a preliminary survey and analysis of one of the largest known online repositories of Islamic State materials in order to increase understanding of how violent extremist groups and their supporters manage, preserve, and protect information relevant to their cause. Seemingly managed by sympathizers of the Islamic State, the large cache of digital files, here nicknamed the “Cloud Caliphate,” provides researchers, policymakers, and counterterrorism practitioners additional insights into how and why groups and their adherents maintain archives of such material.
The core analysis breaks into seven different parts. After reviewing the likely origins of the repository, the first section describes its composition, and the second discusses evidence concerning cyber support from other online actors. Sections three through six explore specific folders within the archive, which pertain to matters concerning the Islamic State’s organizational predecessors and a range of notable leaders, ideologues, and scholars. Section seven of the report highlights a real-world case involving the use of the “Cloud Caliphate” archive by an Islamic State supporter. The report concludes with a reflective discussion that notes potential policy considerations for those tasked with confronting the Islamic State’s exploitation of information and communications technologies.