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Denis Teyssou

@dteyssou.bsky.social
758 followers 1.9K following 17 posts

@afpnews.bsky.social Medialab, journalist, fake news debunker (verification plug-in founder & maker) @vera-ai.bsky.social innovation manager, PhD candidate in Information sciences on #disinformation @ParisNanterreUniversity

PostsRepliesMedia
Denis Teyssou @dteyssou.bsky.social · 19/06/2026
We released at #globalfact2026 in #Vilnius a new version v0.92 of our verification plugin (also known as InVID-WeVerify; u.afp.com/plugin). Improved CheckGIF, two new models for synthetic image detection, improvement of social network analysis. #IFCN
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Internet Archive @archive.org · 18/02/2026
Wayback Machine director Mark Graham pushes back on unfounded claims from media organizations that the Wayback Machine is a backdoor for AI scraping.⁠ ⁠ Read more via @techdirt.com 🔗 www.techdirt.com/2026/02/17/p...
techdirt.com
Preserving The Web Is Not The Problem. Losing It Is.
Recent reporting by Nieman Lab describes how some major news organizations—including The Guardian, The New York Times, and Reddit—are limiting or blocking access to their content in the Internet Ar…
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Stephan Lewandowsky @lewan.uk · 19/06/2025
I am privileged to announce the publication of the Anti-Autocracy Handbook: sks.to/autocracy 1/12
sks.to
The Anti-Autocracy Handbook: A Scholars' Guide to Navigating Democratic Backsliding
The Anti-Autocracy Handbook is a call to action, resilience, and collective defence of democracy, truth, and academic freedom in the face of mounting authoritarianism. It tries to provide guidance to ...
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Glenn Kessler @glennkessler.bsky.social · 26/06/2025
www.poynter.org/fact-checkin...
poynter.org
‘Self-regulation has proven a failure’: Brazilian leaders defend the need for social media regulation - Poynter
GlobalFact speakers urge social platforms to fight disinformation: ‘Freedom of expression but freedom of expression with responsibility’
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Denis Teyssou @dteyssou.bsky.social · 26/06/2025
Our verification plugin v0.86 (@InVID_EU @WeVerify @vera-ai.bsky.social) is published! It is now available in Português (do Brasil) and Hungarian! It includes UI improvements on archiving and deepfake detection (face swapping). #globalfact12
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Les Observateurs - France 24 @observateurs.france24.com · 22/03/2025
Deepfakes audio : des faux de plus en plus difficiles à détecter ? La démocratisation des outils de génération d'audio par IA a accéléré la production et la qualité de ces contenus usurpant la voix de personnalités. Une prolifération qui inquiète...⬇️ 1/3
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Denis Teyssou @dteyssou.bsky.social · 19/03/2025
Salle comble au @medialab-scpo.bsky.social pour un premier débat sur l’avenir des réseaux sociaux. Comment dépasser l’âge du cynisme, de la commercialisation et de la dégradation de l’information ?
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Denis Teyssou @dteyssou.bsky.social · 19/03/2025
Great keynote talk by @janpfa.bsky.social & @sachaltay.bsky.social at the inauguration of the 3rd edition of the #InfoxsurSeine2025 seminar. infoxsurseine.org/2025/ www.nature.com/articles/s41...
nature.com
Spotting false news and doubting true news: a systematic review and meta-analysis of news judgements - Nature Human Behaviour
Pfänder and Altay conduct a systematic review and meta-analysis of 67 experimental articles, showing that people discern true from false news with ease. When making mistakes, people err on the side of...
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Denis Teyssou @dteyssou.bsky.social · 07/03/2025
3ème édition du colloque Infox sur Seine les 19 et 20 mars 2025 chez Europa Expérience, 28 place de la Madeleine, 75008 Paris Participation gratuite, mais nombre de places limité. Inscription obligatoire ⬇️ www.helloasso.com/associations... Plus d'infos sur le site infoxsurseine.org/2025/
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vera.ai @vera-ai.bsky.social · 06/03/2025
Researchers at Uni Urbino uncovered a significant #disinformation campaign on #Facebook pertaining to #PopeFrancis’ health. Here's what they found. #InauthenticCoordinatedBehavior By @fabiogiglietto.bsky.social, @giadam.bsky.social, @informativeicts.bsky.social @mterenzi.bsky.social.
veraai.eu
AI-Generated Images of Pope Francis Drive Traffic to Network of Suspicious Websites in Coordinated Campaign
VERification Assisted by AI. R&D & innovation co-funded by the HorizonEU. Continuing WeVerify work. And much more!
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Denis Teyssou @dteyssou.bsky.social · 28/02/2025
Grok3 (on X) is fun and informative. I asked it : Who are the top 10 spreaders of disinformation in the world? And got this "speculative" response ⬇️
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Denis Teyssou @dteyssou.bsky.social · 07/02/2025
We publish a new version (v0.84) of our verification plugin. It improves the keyframes file mode and assistant (both from @veraai_eu), archiving (from #DisinfoArchiving @factchecknet project) and includes a Japanese localization!
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Denis Teyssou @dteyssou.bsky.social · 16/01/2025
Demo of @vera-ai.bsky.social latest AI tools integrated in our verification plugin and more with @julienpain.bsky.social "vrai ou faux" team at FranceTVInfo. Tackling #disinformation !
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Denis Teyssou @dteyssou.bsky.social · 07/01/2025
#EFCSN condemns Zuckerberg's statement linking fact-checking to censorship : efcsn.com/news/2025-01...
efcsn.com
EFCSN disappointed by end to Meta’s Third Party Fact-Checking Program in the US; Condemns statements linking fact-checking to censorship – European Fact-Checking Standards Network (EFCSN)
7 January 2025 – The European Fact-Checking Standards Network (EFCSN) is disappointed by  Meta’s decision to end its Third Party...
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Denis Teyssou @dteyssou.bsky.social · 07/01/2025
Due to a server hardware failure during the winter break, the keyframes fragmentation service of our verification plugin (InVID / WeVerify / Veraai.eu) is currently down. Sorry for the inconvenience. We are working to repair it asap.
veraai.eu
Home
VERification Assisted by AI. R&D & innovation co-funded by the HorizonEU. Continuing WeVerify work. And much more!
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Denis Teyssou @dteyssou.bsky.social · 08/12/2024
“Liberals moving away from X are giving up on the 20th-century ideal of a public sphere, best described by Hannah Arendt as a place that "gathers us together and yet prevents our falling over each other." www.nytimes.com/2024/12/07/o...
nytimes.com
Opinion | Bluesky Is Different From X. For Now.
Users are looking for a more curated experience on a platform that is not constantly trying to get them to interact with brands.
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Denis Teyssou @dteyssou.bsky.social · 07/12/2024
Our verification plugin mentioned 18 times in the guide How to Detect and Analyse Identity-Based Disinformation/FIMI : - PDF file : www.eeas.europa.eu/sites/defaul... - Webinar from @disinfo.eu : www.disinfo.eu/publications...
eeas.europa.eu
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vera.ai @vera-ai.bsky.social · 07/12/2024
www.disinfo.eu/publications...
disinfo.eu
Doppelganger media impersonation: Leveraging domain name dispute resolution - EU DisinfoLab
Disinformation networks register domain names that are the same as, or confusingly similar to, legitimate media outlets. This post sheds light on how media outlets can defend themselves against domain...
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Alexandre Alaphilippe @aa.disinfo.eu · 21/11/2024
If you want to know more about Russian systemic efforts to disinform audiences globally, I can only recommend to read this good summary from @maudinet.bsky.social and @colingerard.bsky.social therussiaprogram.org/russia_infor...
therussiaprogram.org
Under the Radar Crisis, reorganization, and clandestinization in Russia’s ecosystem of information influence after the invasion of Ukraine
Maxime Audinet and Colin Gérard
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Maria Giovanna Sessa @netosessa.bsky.social · 21/11/2024
Last week I deleted my X account and I almost have more followers here already. What to do with this modest but unexpected popularity? Reminding you that last week I also presented a report on how to detect/analyse identity-based #disinformation fuelled #FIMI with simple #OSINT techniques 🏳️‍🌈🔎📒
eeas.europa.eu
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