A Taxonomy for the Classification of Post-Organisational Violent Extremist & Terrorist Content

This briefing outlines a prototype taxonomy for classifying terrorist and violent extremist content. It proposes dividing this content into the categories of ‘inspirational material’, ‘ideological material’, and ‘instructional material’ along one axis, ‘violent’ and ‘non-violent’ on another, and ‘group’ and ‘non-group’ on a third.

It is designed to inform content moderation decisions made by social media platforms, including adjustments to the hash sharing database of the Global Internet Forum to Counter Terrorism (GIFCT) which provides unique digital ‘fingerprints’ of known terrorist content which has been removed from social media platforms.

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