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The proliferation of extremist, jihadist and violence-inciting websites, blogs and channels in social media has long since become a major theme in security policy. Extremists and terrorists use the new technological tools to communicate with each other, to organise themselves and to publicise their ideas. Whereas terrorists in the previous millennium were still dependent on journalists to report their acts and to draw attention to their group and their ideology, potentially violent groups today are in a position to publish their story and their intentions unfiltered on the web, and to communicate with each other swiftly and effectively across national borders. Ever since the case of Australian teenager Jake Bilardi, who travelled to the territories of the so-called Islamic State (IS)
and in 2015, at the age of 19, committed a suicide attack in Ramadi (Iraq), however, it is not just online communication by extremists that is in focus, but also the phenomenon of online radicalisation. According to the current state of information, Bilardi converted to Islam without any direct influences from his immediate environment, radicalised himself exclusively via online media, and travelled to Syria with the help of online contacts. His case, and many other cases of Western recruits, raised the question of whether a process of radicalisation can take place exclusively online or if online propaganda is only one facilitating factor that promotes and perhaps accelerates radicalization, but is in itself not sufficient to explain the whole process. Unfortunately, there are still not enough systematic, empirical studies on this subject area and our knowledge is generally limited
to known perpetrator profiles. Nevertheless, some general statements can be made regarding online radicalisation.

In recent years, the United States (US) has witnessed a rise in political violence. Prior research has found that an individual’s social network is associated with their likelihood of engaging in various forms of violence, but research on social networks and political violence in the US context is limited. This study examined associations between social network size and endorsement of political violence in a recent nationally representative survey and explored how the relationship varied by use of social media as a major news source, perceptions of the government as an enemy, and membership in a marginalized or privileged racial or ethnic group.

VOX-Pol Blog post.

The far right is increasingly relying on visual and less extreme online communication, for instance by using memes, to strategically mainstream their ideology. The use of humor in particular renders their communication more relatable to a mainstream audience. However, little is known about the actual impacts of the different content characteristics they employ to become more appealing, in particular on less moderated platforms that function as safe online spaces for extremist ideology and contents. To fill this gap, we conducted a manual quantitative content analysis of 1,200 memes distributed within German-language far-right Telegram channels in 2020 and 2021, concentrating on humor and several content-related factors to analyze their impact on meme reach. The results demonstrate that memes with extreme far-right narratives and memes with humor received fewer views than others, but that memes with both far-right narratives and humor had a significantly increased reach. The findings highlight the mainstreaming potential of humor, particularly when used to mask extreme content that would otherwise be less appealing.

This paper presents a survey on hate speech detection. Given the steadily growing body of social media content, the amount of online hate speech is also increasing. Due to the massive scale of the web, methods that automatically detect hate speech are required. Our survey describes key areas that have been explored to automatically recognize these types of utterances using natural language processing. We also discuss limits of those approaches.

In Part I, this Note will look at the European Union’s current Internet Forum and their proposed Terrorist Content Regulation. The proposed regulation focuses on countering terrorist content on social media by placing much of the burden on the social media companies themselves. Part II will focus on the Material Support of Foreign Terrorist Groups Statue: 18U.S.C.§ 2339(b).