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All Publications 147 publications
  • Spiders of the Caliphate

    This report analyzes the strength of ISIS’s network on Facebook using online network measurement tools and uncovers the myriad of ways in which IS operates on Facebook.
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  • Summary of the International Conference on Terrorism: Threats and Challenges

    The international conference on terrorism, "What threats and challenges after the fall of the Caliphate?" was held at the Ecole militaire on November 7, 2019. It brought together various officials, practitioners and experts from France and beyond.
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  • Terms of Service: Company Policies on Online Extremism

    CEP has worked to outline and compare Internet and technology companies’ approaches to extremist content as it may appear on social media, messaging applications, websites, blogs, and video-hosting websites, among other platforms.
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  • Terror Targets in the West: Where and Why

    CEP has analyzed attacks carried out by al-Qaeda and ISIS operatives in the United States, Europe, and Australia. This report explores the ideological and tactical rationale for selecting targets to attack.
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  • Terrorismusfinanzierung und soziale Medien

    Der Missbrauch von sozialen Medien und anderen Dienstleistungen im Internet wird spätestens seit dem Erstarken des Islamischen Staates (IS) ab 2014 regelmäßig sowohl in den Medien als auch in Fachliteratur diskutiert. 

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  • Terrorist Content Online - How to build comprehensible transparency for automated decisionmaking systems (ADM)

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  • Terrorists On Telegram

    Terrorist and extremist groups use encrypted application Telegram to recruit new members, fundraise, incite to violence, and even coordinate terrorist activity.
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  • Terroristische Inhalte Online – Grundlagen für nachvollziehbare Transparenz beim Einsatz automatisierter Entscheidungssysteme (ADM-Systeme) auf Social Media-Plattformen

    Um die Rechte der Nutzer*innen in Sozialen Medien wirklich schützen zu können, muss zunächst nachvollziehbare Transparenz über die angewandten Moderations- und Filtersysteme gegeben sein.

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  • The Central Syria ISIS Insurgency in 2021

    In 2021, the Syrian regime and its Russian and Iranian allies largely controlled the trajectory of the ISIS insurgency in central Syria, also known as the Badia.
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  • The Central Syria ISIS Insurgency in 2022

    ISIS activity in central Syria fluctuated significantly throughout 2022. The year began with a series of moderately high tempo months, reached a historic low in July, and culminated in a renewed steady increase in activity over the last four months of the year.
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  • The Central Syria ISIS Insurgency in 2023

    This year saw three key developments in central Syria, all of which could impact the group’s activities in both central and northeast Syria in 2024.
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  • The EU Digital Services Act (DSA) – Recommendations For An Effective Regulation Against Terrorist Content Online

    In March 2020, CEP Germany carried out a sample analysis to test the extent to which YouTube, Facebook and Instagram block “manifestly illegal” terrorist content upon notification.

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Daily Dose

Extremists: Their Words. Their Actions.

Fact:

On April 3, 2017, the day Vladimir Putin was due to visit the city, a suicide bombing was carried out in the St. Petersburg metro, killing 15 people and injuring 64. An al-Qaeda affiliate, Imam Shamil Battalion, claimed responsibility. 

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