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N. Johnson Restrepo

As seen in: Nature
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Articles by N. Johnson Restrepo

Online hate network spreads malicious COVID-19 content outside the control of individual social media platforms

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By N. Velasquez, R. Leahy, N. Johnson Restrepo, Y. Lupu
| Nature Verified
Abstract We show that malicious COVID-19 content, including racism, disinformation, and misinformation, exploits the multiverse of online hate to spread quickly beyond the control of any individual social media platform. We provide a first mapping of the online hate network across six major social media platforms. We demonstrate how malicious content can travel across this network in ways that subvert platform moderation efforts.
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Hidden resilience and adaptive dynamics of the global online hate ecology

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By N. Johnson, R. Leahy, N. Johnson Restrepo, N. Velasquez
| Nature Verified
Abstract Online hate and extremist narratives have been linked to abhorrent real-world events, including a current surge in hate crimes1,2,3,4,5,6 and an alarming increase in youth suicides that result from social media vitriol7; inciting mass shootings such as the 2019 attack in Christchurch, stabbings and bombings8,9,10,11; recruitment of extremists12,13,14,15,16, including entrapment and sex-trafficking of girls as fighter brides17; threats against public figures, including the 2019 verbal...
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