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This study investigated the phenomena of group polarisation with particular attention to the differences between offline and online settings. Polarisation is a process that leads people to develop extreme ideologies. Three hundred and seven participants were recruited and randomly assigned to different experimental conditions, i.e. antisocial and prosocial polarisation, within groups of 6 people composed of four confederates, participating in discussions about a social dilemma under two different circumstances: face to face and online. The degree of polarisation was assessed considering the final decisions adopted by the participants, as well as the internal dynamics characterising their final attitudes, i.e. compliance versus conversion. Results showed that online groups appeared more susceptible to polarisation and their members reported a greater degree of conformism. In particular, within online environments, the risk of being polarised, both antisocially and prosocially, increased by around 12%. Furthermore, in an online setting, a greater degree of conversion emerged only when the members decided to adopt a pro-social behaviour, while a greater degree of compliance emerged whenever they decided to adopt antisocial behaviour.

Any intervention in the violent acts of terrorist groups requires accurate differentiation among the groups themselves, which has largely been overlooked in their study beyond qualitative work. To explore the notion of terrorist group differentiation, the online communication of six violent groups were collected: Al-Nusrah Front, al-Qa’ida Central, al-Qa’ida in the Arabian Peninsula, Hamas, Islamic State of Iraq and Syria, and Taliban. All six groups embedded their ideology in digitised documents that were shared through multiple online social networks and media platforms in attempts to influence individuals to identify with their beliefs. The way these groups constructed social roles for their supporters in their ideology was proposed as a novel way to differentiate them and key term extraction was used to find important terms referenced in their communication. Experimental classification was devised to find the highest-ranking roles capable of prediction. Role terms produced high accuracy scores across experiments differentiating the groups (95%CI: 95–98%), with varying inter-group and intra-ideological differences emerging from authority-, religion-, closeness-, and conflict-based social roles. This suggests these constructs possess strong predictive potential to separate terrorist groups through nuanced expressions observed in their communication behaviour and advances our understanding of how these groups deploy harmful ideology.

VOX-Pol Blog Post.

We analyzed posts written by Facebook profiles who advocate violent jihad without supporting any terrorist group. They share extremist content in the middle of regular posts, thanks to which they are likely to reach a large audience. We identified to what extent their ingroup-outgroup opposition is constructed in crisis, identity, and solution frames and how they use these frames in posts which sometimes breach Facebook’s community standards, but which mostly circumvent them through various strategies of doublespeak. Among them, myth, in the sense of Barthes, and eudaimonic content appeared as particularly powerful to naturalize and spread jihadi ideology on social media.

This study examines how individuals’ exposure to ISIS-related propaganda affects public sympathy for ISIS. We examine the extent that each type of communication channel (e.g. online media, traditional offline media, and in-person interactions) affects an individual’s perceptions of ISIS. We use a nationally representative sample (N = 1,609) from Turkey, which has played an important role during the rise and fall of ISIS with its unique geographical, social, and political position. The findings suggest a significant relationship between exposure to in-person propaganda and having sympathy for ISIS. However, this relationship does not exist for online and traditional media propaganda.

This article aims to map the online propaganda presence and activities of the Turkestan Islamic Party’s media arm—Islam Awazi (“Voice of Islam”). It also discusses its capabilities in terms of producing new releases and attracting online audiences. In order to reach these objectives, this study exploited a methodology which is a combination of open source intelligence techniques (OSINT) with limited content analysis. It argues that the Uyghur-oriented Islam Awazi’s (IA) propaganda strategy was primarily based on one standalone website, which constituted a central repository of its new productions. It was supported by several Telegram channels. However, open source intelligence investigation allowed other domains proliferating the IA’s productions, which were still accessible but abandoned at the time when this study was carried out, to be discovered. It also proved that the organization was capable of producing more than 160 propaganda releases between January and September 2020. Their viewership on the surface web was, however, quite limited. Finally, this study also outlines a peculiar connection between Islam Awazi’s websites and two networks of domains exploited by the cyber-criminal underground to distribute pornography and malware. This may be considered as a sign of an existing—and widely discussed by the academia—terror-crime nexus.