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Some moderation strategies of online content have targeted the individuals believed to be the most influential in the diffusion of such material, while others have focused on censorship of the content itself. Few approaches consider these two aspects simultaneously. The present study addresses this gap by showing how a socio-semantic network analysis can help identify individuals and subgroups who are strategically positioned in radical networks and whose comments encourage the use of violence. It also made it possible to identify the individuals and subgroups who act as intermediaries and whose statements are often the most violent.

Mobilization is central to the emergence, survival and success of armed groups challenging the state, and has lately expanded to new arenas with the rise of social media. Using a new dataset of rebel group Twitter use, we examined the topics contained in rebel group social media communications to understand how different messaging strategies impact civilian engagement with rebel messages. Rather than benefiting solely from direct calls to action, we found that rebel groups also increased civilian engagement through indirect messages of self-promotion. While direct appeals received more engagement than indirect appeals, their effects were tempered by audience fatigue when relied on too heavily. We additionally found that including images further enhanced the impact of a mobilizing message. These findings expanded our understanding of rebel communications and mobilization, with important implications for combating the use of social media as a recruitment tool for violent extremism.

The Alt-Right is a neo-fascist white supremacist movement that is involved in violent extremism and shows signs of engagement in extensive disinformation campaigns. Using social media data mining, this study develops a deeper understanding of such targeted disinformation campaigns and the ways they spread. It also adds to the available literature on the endogenous and exogenous influences within the US far right, as well as motivating factors that drive disinformation campaigns, such as geopolitical strategy. This study is to be taken as a preliminary analysis to indicate future methods and follow-on research that will help develop an integrated approach to understanding the strategies and associations of the modern fascist movement.

At a time when ISIS exploits social media to spread its ideology and gain new recruits, Monika Bickert, the head of global policy management at Facebook, explains how her team removes content that promotes violence and terrorism. Bickert, a former federal prosecutor, describes Facebook’s efforts to use “counter-speech” to fight hateful and extremist ideologies.

This paper discusses how cyberspace has become a venue for terrorists groups for recruiting and proliferating propaganda and terrorism. Moreover, this study explores how the low cost Internet infrastructure and social media sites (such as Facebook, Twitter, and YouTube) have contributed to their networking and operations due to the convenience, in terms of availability, accessibility, message redundancy, ease of use, and the inability to censor content. Concepts such as cyber-weapons, cyber-attacks, cyber-war, and cyber-terrorism are presented and explored to assess how terrorist groups are exploiting cyberspace.

This RAND working paper documents the proceedings of a daylong workshop, “Ethical Principles in Social-Behavioral Research on Terrorism: Probing the Parameters.” The workshop was convened to initiate a public discussion of the parameters that should guide the ethical conduct of social and behavioral research on terrorism that is frequently carried out in countries or among groups hostile to the United States. The workshop was organised into three sessions on the topics of “Deception and Concealment vs. Autonomy,” “Maximizing Beneficence and Maintaining Justice,” and “Ensuring Confidentiality.” Each session included a main speaker followed by short presentations from an expert panel, a plenary discussion, and a wrap-up by the session chair. All proceedings were taped and transcribed. The transcriptions of the presentations by the speakers and panelists have been lightly edited to improve readability, as have the introductory and wrap-up comments by the workshop organisers. The transcriptions of the plenary discussions have been summarized to highlight the main points.