Guillaume Kuster
@g.checkfirst.network
CEO and co-Founder of @checkfirst.network Fighting disinformation with brains and tech
Reposted by Guillaume Kuster
🚨354 automated AI accounts generated 4.5 billion views on TikTok through more than 43,000 AI-made posts.
Our investigation finds Agentic AI Accounts spreading harmful content. Yet TikTok labels around 1.38% of these posts. ⚠️
Full report: tinyurl.com/4kkfm4nn
Our investigation finds Agentic AI Accounts spreading harmful content. Yet TikTok labels around 1.38% of these posts. ⚠️
Full report: tinyurl.com/4kkfm4nn
December 3, 2025 at 9:41 AM
🚨354 automated AI accounts generated 4.5 billion views on TikTok through more than 43,000 AI-made posts.
Our investigation finds Agentic AI Accounts spreading harmful content. Yet TikTok labels around 1.38% of these posts. ⚠️
Full report: tinyurl.com/4kkfm4nn
Our investigation finds Agentic AI Accounts spreading harmful content. Yet TikTok labels around 1.38% of these posts. ⚠️
Full report: tinyurl.com/4kkfm4nn
Reposted by Guillaume Kuster
Today, we are proud to publish our latest investigation into the FSB’s 16th Center, publicly accused of operating some of Russia's most sophisticated cyber-espionage groups.
🔗 checkfirst.network/decoding-se...
🔗 checkfirst.network/decoding-se...
July 18, 2025 at 7:36 AM
Today, we are proud to publish our latest investigation into the FSB’s 16th Center, publicly accused of operating some of Russia's most sophisticated cyber-espionage groups.
🔗 checkfirst.network/decoding-se...
🔗 checkfirst.network/decoding-se...
Reposted by Guillaume Kuster
📊 Operation Overload on Telegram:
• 673 channels analysed
• 7M+ messages
• 2M+ media collisions (39% of 5.5M total)
• 550+ channels share admins
• 70% of Overload-linked emails point to Telegram
• 10 verified channels drive core narratives
• 673 channels analysed
• 7M+ messages
• 2M+ media collisions (39% of 5.5M total)
• 550+ channels share admins
• 70% of Overload-linked emails point to Telegram
• 10 verified channels drive core narratives
June 26, 2025 at 9:16 AM
📊 Operation Overload on Telegram:
• 673 channels analysed
• 7M+ messages
• 2M+ media collisions (39% of 5.5M total)
• 550+ channels share admins
• 70% of Overload-linked emails point to Telegram
• 10 verified channels drive core narratives
• 673 channels analysed
• 7M+ messages
• 2M+ media collisions (39% of 5.5M total)
• 550+ channels share admins
• 70% of Overload-linked emails point to Telegram
• 10 verified channels drive core narratives
Reposted by Guillaume Kuster
Today, we're proud to launch RADAR (Regulatory Assessment for Digital Service Act Risks), an open framework that introduces standardised tags for Digital Service Act (DSA) infringements: radar.checkfirst.network/
RADAR - Regulatory Assessment for Digital Service Act Risks
RADAR is a framework for assessing and mitigating Digital Service Act (DSA) regulatory risks. Developed by CheckFirst, it guides digital service providers through compliance checkpoints and best practices.
radar.checkfirst.network
June 10, 2025 at 7:34 AM
Today, we're proud to launch RADAR (Regulatory Assessment for Digital Service Act Risks), an open framework that introduces standardised tags for Digital Service Act (DSA) infringements: radar.checkfirst.network/
Reposted by Guillaume Kuster
Today, in collaboration with @dfrlab.bsky.social, we pull back the curtain with the #Pravda Dashboard, a live, hour‑by‑hour tracker of #Russia’s Portal Kombat network. Follow each article’s journey, trace domain footprints, spot language‑shifts and watch targeting patterns unfold!
portal-kombat.com
portal-kombat.com
Pravda in numbers - Content and Network analysis
Interactive dashboard visualizing patterns, language distribution, domain connections and more across the Pravda Russian network.
portal-kombat.com
April 18, 2025 at 10:44 AM
Today, in collaboration with @dfrlab.bsky.social, we pull back the curtain with the #Pravda Dashboard, a live, hour‑by‑hour tracker of #Russia’s Portal Kombat network. Follow each article’s journey, trace domain footprints, spot language‑shifts and watch targeting patterns unfold!
portal-kombat.com
portal-kombat.com
Reposted by Guillaume Kuster
NEW 🚨 The #Pravdanetwork—a Russia-linked disinformation operation—has infiltrated #Wikipedia, AI chatbots, and #X, spreading pro-Kremlin narratives globally.
@vchatelet.bsky.social & @checkfirst.network
reveal the scale of this content pollution: bit.ly/3R6XW9l
@vchatelet.bsky.social & @checkfirst.network
reveal the scale of this content pollution: bit.ly/3R6XW9l
Russia-linked Pravda network cited on Wikipedia, LLMs, and X
Pro-Kremlin content pollutes sources on multiple platforms, sparking worries of false claims and sanctioned content reaching global audiences
bit.ly
March 13, 2025 at 8:01 PM
NEW 🚨 The #Pravdanetwork—a Russia-linked disinformation operation—has infiltrated #Wikipedia, AI chatbots, and #X, spreading pro-Kremlin narratives globally.
@vchatelet.bsky.social & @checkfirst.network
reveal the scale of this content pollution: bit.ly/3R6XW9l
@vchatelet.bsky.social & @checkfirst.network
reveal the scale of this content pollution: bit.ly/3R6XW9l
Reposted by Guillaume Kuster
🚨 NEW REPORT
🔎 The Russian propaganda and disinformation “Pravda” network extended its coverage and aims (and succeeds) at polluting large language models (LLMs) and Wikipedia.
🗒️ X’s Community notes are unable to aptly address the spread of “Pravda” content on the platform.
🔎 The Russian propaganda and disinformation “Pravda” network extended its coverage and aims (and succeeds) at polluting large language models (LLMs) and Wikipedia.
🗒️ X’s Community notes are unable to aptly address the spread of “Pravda” content on the platform.
“Pravda” Network: Worldwide Expansion and LLM, Wikipedia Pollution - CheckFirst
CheckFirst, in partnership with DFRLab, shows how the Russian propaganda and disinformation “Pravda” network extended its coverage and aims (and succeeds) at polluting large language models (LLMs) and...
checkfirst.network
March 13, 2025 at 8:58 AM
🚨 NEW REPORT
🔎 The Russian propaganda and disinformation “Pravda” network extended its coverage and aims (and succeeds) at polluting large language models (LLMs) and Wikipedia.
🗒️ X’s Community notes are unable to aptly address the spread of “Pravda” content on the platform.
🔎 The Russian propaganda and disinformation “Pravda” network extended its coverage and aims (and succeeds) at polluting large language models (LLMs) and Wikipedia.
🗒️ X’s Community notes are unable to aptly address the spread of “Pravda” content on the platform.
Reposted by Guillaume Kuster
🚨 New report! In collaboration with @dfrlab.bsky.social , we reveal the global expansion of #Russia’s so-called "Portal Kombat" network—an influence operation laundering pro-Kremlin content across Europe, Africa, and Asia. First exposed by @viginum.bsky.social a year ago.
Russia’s so-called “Pravda” network expands worldwide
The network formerly known as Portal Kombat added new domains and expanded its geographic reach over the last year
dfrlab.org
February 24, 2025 at 1:45 PM
🚨 New report! In collaboration with @dfrlab.bsky.social , we reveal the global expansion of #Russia’s so-called "Portal Kombat" network—an influence operation laundering pro-Kremlin content across Europe, Africa, and Asia. First exposed by @viginum.bsky.social a year ago.
À troll, troll et demi.
Paris nomme une avenue Alexeï-Navalny à proximité de l’ambassade de Russie
Paris nomme une avenue Alexeï-Navalny à proximité de l’ambassade de Russie
A la veille du premier anniversaire de la mort du plus célèbre opposant au Kremlin de Vladimir Poutine le 16 février 2024, le Conseil de Paris a voté pour qu’une partie de l’avenue de Pologne, dans le 16ᵉ arrondissement, porte son nom.
www.lemonde.fr
February 14, 2025 at 2:04 PM
À troll, troll et demi.
Reposted by Guillaume Kuster
We're pleased to announce the launch of our new Community Notes Dashboard – a state-of-the-art, interactive platform that delivers deep insights into the evolution and distribution of Community Notes on #X
Community Notes Dashboard | CheckFirst
cn.kaksi.ovh
February 12, 2025 at 9:35 AM
We're pleased to announce the launch of our new Community Notes Dashboard – a state-of-the-art, interactive platform that delivers deep insights into the evolution and distribution of Community Notes on #X
Reposted by Guillaume Kuster
New: We've uncovered over 100 websites set up by a group known as Storm-1516. After the US elections the Russian influence operation has set its sights on Germany's federal elections. Some of these sites have already been used to attack German politicians. correctiv.org/faktencheck/...
January 23, 2025 at 11:40 AM
New: We've uncovered over 100 websites set up by a group known as Storm-1516. After the US elections the Russian influence operation has set its sights on Germany's federal elections. Some of these sites have already been used to attack German politicians. correctiv.org/faktencheck/...
This Friday seems to be an SDA day. The G7 Rapid Response Mechanism just posted a statement about the Kremlin funded Social Design Agency we just released a report about. Have a good week end. www.state.gov/office-of-th...
Joint Statement by the G7 Rapid Response Mechanism (RRM) on a Russian Influence Campaign - United States Department of State
The text of the following statement was released by the G7 Rapid Response Mechanism, which includes Australia, Canada, France, Germany, Italy, Japan, Netherlands, New Zealand, Sweden, the United Kingd...
www.state.gov
January 17, 2025 at 3:24 PM
This Friday seems to be an SDA day. The G7 Rapid Response Mechanism just posted a statement about the Kremlin funded Social Design Agency we just released a report about. Have a good week end. www.state.gov/office-of-th...
Reposted by Guillaume Kuster
Despite international sanctions, #Meta is accepting payments from Russian propagandists. Our latest report with @aiforensics.org & Reset underscore how Meta has failed to moderate over 8,000 political ads from the Kremlin-linked Social Design Agency (SDA). #SDALeak
Influence by Design: How Meta Accepted Russian Propaganda Payments Despite Sanctions - CheckFirst
Check First, in partnership with Reset.tech and AI Forensics, unveils the extent to which Kremlin-linked entity SDA have exploited Meta platforms to disseminate propaganda.
checkfirst.network
January 17, 2025 at 2:31 PM
Despite international sanctions, #Meta is accepting payments from Russian propagandists. Our latest report with @aiforensics.org & Reset underscore how Meta has failed to moderate over 8,000 political ads from the Kremlin-linked Social Design Agency (SDA). #SDALeak
Kudos to @safety.bsky.app for moderating Operation Overload posts even before they can be shared. The latest email targeting fact-checkers associated with #Overload contained only Bluesky links, none of which linked to content at the time the email was received. Different story on X…
January 8, 2025 at 7:50 AM
Kudos to @safety.bsky.app for moderating Operation Overload posts even before they can be shared. The latest email targeting fact-checkers associated with #Overload contained only Bluesky links, none of which linked to content at the time the email was received. Different story on X…
Reposted by Guillaume Kuster
Deepfakes are crazy good these days.
I just saw a video of Zuckerberg claiming:
- he's "getting rid of fact-checkers" because they "censor" debate
- he's "restoring free speech" on Facebook/Instagram
- that "Europe is institutionalising censorship"
Oh, wait...
I just saw a video of Zuckerberg claiming:
- he's "getting rid of fact-checkers" because they "censor" debate
- he's "restoring free speech" on Facebook/Instagram
- that "Europe is institutionalising censorship"
Oh, wait...
542K views · 7K comments | It's time to get back to our roots around free expression. We're replacing fact checkers with Community Notes, simplifying our policies and focusing on... | By Mark Zuckerbe...
It's time to get back to our roots around free expression. We're replacing fact checkers with Community Notes, simplifying our policies and focusing on...
www.facebook.com
January 7, 2025 at 3:01 PM
Deepfakes are crazy good these days.
I just saw a video of Zuckerberg claiming:
- he's "getting rid of fact-checkers" because they "censor" debate
- he's "restoring free speech" on Facebook/Instagram
- that "Europe is institutionalising censorship"
Oh, wait...
I just saw a video of Zuckerberg claiming:
- he's "getting rid of fact-checkers" because they "censor" debate
- he's "restoring free speech" on Facebook/Instagram
- that "Europe is institutionalising censorship"
Oh, wait...
Great comments on platform regulation during electoral periods by @vincentcouronne.bsky.social reflecting on the unprecedented Romanian case and the situation outside of the EU, especially in #Africa overcast.fm/+AAycBXDNAFQ (in French)
Comment réguler les plateformes en période électorale ? — ODIL Le Podcast
Une décision historique. La cour constitutionnelle roumaine a annulé l’élection présidentielle, dont le second tour était prévu le 8 décembre. En cause, l’arrivée en tête du premier tour de Călin Geor...
overcast.fm
December 20, 2024 at 8:50 AM
Great comments on platform regulation during electoral periods by @vincentcouronne.bsky.social reflecting on the unprecedented Romanian case and the situation outside of the EU, especially in #Africa overcast.fm/+AAycBXDNAFQ (in French)
Excellent opinion piece by @marietjeschaake.bsky.social in the @financialtimes.com about the role of platforms in election manipulation. She captures the hopes and fears surrounding the #DSA 's enforcement amid what may be its most significant raison d'être yet. #Romania www.ft.com/content/2855...
Romania’s cancelled election is a lesson in social media manipulation
Investigations should finally shed light on how algorithms win votes and influence people
www.ft.com
December 12, 2024 at 6:44 AM
Excellent opinion piece by @marietjeschaake.bsky.social in the @financialtimes.com about the role of platforms in election manipulation. She captures the hopes and fears surrounding the #DSA 's enforcement amid what may be its most significant raison d'être yet. #Romania www.ft.com/content/2855...
If you're short on time to read @checkfirst.network 's research note on Meta's failures to moderate political ads during the Romanian Presidential campaign, here's an excellent wrap-up by @dzuidijk.bsky.social on @bloomberg.com www.bloomberg.com/news/article...
Covert Facebook Network Found to Be Targeting Romanian Voters
Meta Platforms Inc. allowed a network of Facebook pages to post more than 4,100 political ads attacking Romania’s pro-EU presidential candidate Elena Lasconi and promoting far-right figures, including...
www.bloomberg.com
December 9, 2024 at 7:38 AM
If you're short on time to read @checkfirst.network 's research note on Meta's failures to moderate political ads during the Romanian Presidential campaign, here's an excellent wrap-up by @dzuidijk.bsky.social on @bloomberg.com www.bloomberg.com/news/article...
Moderation? What moderation?
Romanian presidential election: It's not all about TikTok. We've uncovered over 4k political ads on Meta's platforms. They were run from 25 facebook pages tied to a network of websites pushing unverified claims in favour of the far-right.
Read more: checkfirst.network/research-not...
Read more: checkfirst.network/research-not...
Research Note: Meta’s Role in Romania’s 2024 Presidential Election - CheckFirst
Check First, with the help of Reset.tech, EU DisinfoLab and independent journalists Luiza Vasiliu and Victor Ilie publish the flash research note “Ads, Influence, and Democracy: Meta’s Role in Romania...
checkfirst.network
December 9, 2024 at 5:48 AM
Moderation? What moderation?
Data access for researchers (DSA art 40): It’s coming, probably next spring (and also for NGOs). In the meantime here’s a very helpful paper by @jaalbrt.bsky.social to ease your impatience. dsa-observatory.eu/2024/11/29/r...
Researcher access to platform data: Experts weigh in on the Delegated Act - DSA Observatory
by John Albert, DSA Observatory This post shares insights from a DSA Observatory workshop held on 18 November 2024, where researchers and legal experts met to discuss what’s new in the draft delegated...
dsa-observatory.eu
December 1, 2024 at 1:50 PM
Data access for researchers (DSA art 40): It’s coming, probably next spring (and also for NGOs). In the meantime here’s a very helpful paper by @jaalbrt.bsky.social to ease your impatience. dsa-observatory.eu/2024/11/29/r...
Operation #Overload update: Evidence of link to Russia, new targets identified, increased email activity and a shift of narratives towards the U.S. election. Read the latest in our new activity update report: checkfirst.network/operation-ov...
Operation Overload: A Growing Disinformation Threat Now Targeting the U.S. Presidential Election - CheckFirst
Continuing the collaboration between Check First and Reset.tech, our latest findings confirm that the operation is based in Russia. We also describe how Operation Overload has now shifted its focus to...
checkfirst.network
September 12, 2024 at 6:08 AM
Operation #Overload update: Evidence of link to Russia, new targets identified, increased email activity and a shift of narratives towards the U.S. election. Read the latest in our new activity update report: checkfirst.network/operation-ov...
@alexjubelin.bsky.social Épisode s’annonçant comme passionnant sur l’incursion ukrainienne à Koursk mais la piètre qualité audio de Vincent Tourret m’a découragé d’aller au bout. Life hack: podcast.adobe.com/enhance
Enhance Speech from Adobe | Free AI filter for cleaning up spoken audio
This AI audio filter improves spoken audio to make it sound like it was recorded in a soundproofed studio.
podcast.adobe.com
September 3, 2024 at 12:55 PM
@alexjubelin.bsky.social Épisode s’annonçant comme passionnant sur l’incursion ukrainienne à Koursk mais la piètre qualité audio de Vincent Tourret m’a découragé d’aller au bout. Life hack: podcast.adobe.com/enhance
A great piece by Euronews's The Cube on our and @faktabaari.bsky.social latest report: www.euronews.com/video/2024/0...
Video. TikTok ‘promoted misogyny’ in run-up to European elections
Video. A new study has found that TikTok’s search suggestions contained toxic language towards women and minorities in Finland.
www.euronews.com
July 8, 2024 at 3:36 PM
A great piece by Euronews's The Cube on our and @faktabaari.bsky.social latest report: www.euronews.com/video/2024/0...