CheckFirst
@checkfirst.network
We pioneered algorithm analysis and deploy expert skills to probe the digital space and its actors.
https://checkfirst.network
https://checkfirst.network
Pinned
CheckFirst
@checkfirst.network
· Jul 18
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...
🔍 As a company dedicated to analysing online harms, we strive to adopt the highest safety standards and abide by industry norms, especially when dealing with illegal and sensitive material pertaining to children. This is why we are proud to announce that we've joined @iwf.org.uk's membership!
December 22, 2025 at 10:30 AM
🔍 As a company dedicated to analysing online harms, we strive to adopt the highest safety standards and abide by industry norms, especially when dealing with illegal and sensitive material pertaining to children. This is why we are proud to announce that we've joined @iwf.org.uk's membership!
📫 The December issue of our monthly newsletter "Indeed" is out! We're looking back at 2025, a year full of new projects and investigations, fulfilling our objective to tackle #disinformation at its core.
Read this edition 🔗 r.crossover.social/3gr1lvvxzlx...
Read this edition 🔗 r.crossover.social/3gr1lvvxzlx...
December 19, 2025 at 1:40 PM
📫 The December issue of our monthly newsletter "Indeed" is out! We're looking back at 2025, a year full of new projects and investigations, fulfilling our objective to tackle #disinformation at its core.
Read this edition 🔗 r.crossover.social/3gr1lvvxzlx...
Read this edition 🔗 r.crossover.social/3gr1lvvxzlx...
Making the internet fairer, safer, and more transparent: same mission, new leadership.
After 5 years of growth, Check First enters a new phase of development: Guillaume Kuster is leaving to take on new responsibilities, after playing a central role in building CF & shaping its mission and approach.
After 5 years of growth, Check First enters a new phase of development: Guillaume Kuster is leaving to take on new responsibilities, after playing a central role in building CF & shaping its mission and approach.
December 16, 2025 at 8:16 AM
Making the internet fairer, safer, and more transparent: same mission, new leadership.
After 5 years of growth, Check First enters a new phase of development: Guillaume Kuster is leaving to take on new responsibilities, after playing a central role in building CF & shaping its mission and approach.
After 5 years of growth, Check First enters a new phase of development: Guillaume Kuster is leaving to take on new responsibilities, after playing a central role in building CF & shaping its mission and approach.
👀 Join @sciencefeedback.bsky.social and @disinfo.eu on Thursday, 11 December to find out more about the first results of the #SIMODS consortium!
More about the SIMODS project 🔗 checkfirst.network/project/simo...
More about the SIMODS project 🔗 checkfirst.network/project/simo...
December 9, 2025 at 10:08 AM
👀 Join @sciencefeedback.bsky.social and @disinfo.eu on Thursday, 11 December to find out more about the first results of the #SIMODS consortium!
More about the SIMODS project 🔗 checkfirst.network/project/simo...
More about the SIMODS project 🔗 checkfirst.network/project/simo...
Tomorrow at 14:15 (Brussels time), Shivika Sharma, our senior manager specialising in digital threats and policy, will join a panel exploring policy, regulation and institutional response regarding disinformation in electoral context. ⤵️
December 8, 2025 at 3:16 PM
Tomorrow at 14:15 (Brussels time), Shivika Sharma, our senior manager specialising in digital threats and policy, will join a panel exploring policy, regulation and institutional response regarding disinformation in electoral context. ⤵️
🇦🇲 In partnership with the @fbafolke.bsky.social, the Swedish agency for peace, security and development, we spent a week in Yerevan, #Armenia, helping Armenian civil society organisations and journalists strengthen their defences against #foreignmanipulation.
November 14, 2025 at 3:48 PM
🇦🇲 In partnership with the @fbafolke.bsky.social, the Swedish agency for peace, security and development, we spent a week in Yerevan, #Armenia, helping Armenian civil society organisations and journalists strengthen their defences against #foreignmanipulation.
👋 We are pleased to announce that our COO @herve.checkfirst.network will be attending @sofiainfoforum.bsky.social this week. Don't miss his demonstration tomorrow at 6 PM (EET), when he will present our @radar.checkfirst.network framework and Oppi.tech, our FIMI training platform!
Oppi - Professional OSINT Training Platform
Train journalists and analysts to identify disinformation campaigns with interactive scenarios and advanced OSINT tools.
oppi.tech
November 4, 2025 at 9:55 AM
👋 We are pleased to announce that our COO @herve.checkfirst.network will be attending @sofiainfoforum.bsky.social this week. Don't miss his demonstration tomorrow at 6 PM (EET), when he will present our @radar.checkfirst.network framework and Oppi.tech, our FIMI training platform!
Parlez-vous français ? Recently, our CEO @g.checkfirst.network and our COO @herve.checkfirst.network were invited to share their experiences on several French-speaking programs.
October 28, 2025 at 3:40 PM
Parlez-vous français ? Recently, our CEO @g.checkfirst.network and our COO @herve.checkfirst.network were invited to share their experiences on several French-speaking programs.
👋 On October 15 and 16, we attended #Disinfo2025, the @disinfo.eu's annual conference. This year, over 600 participants gathered in Ljubljana, Slovenia, for two days of discussions centered around many aspects of #disinformation.
October 27, 2025 at 10:35 AM
👋 On October 15 and 16, we attended #Disinfo2025, the @disinfo.eu's annual conference. This year, over 600 participants gathered in Ljubljana, Slovenia, for two days of discussions centered around many aspects of #disinformation.
Next week, we'll be heading to Ljubljana to attend @disinfo.eu's #Disinfo2025!
Shivika Sharma, our senior manager specialising in digital threats and policy, will present @radar.checkfirst.network during the “Turning data into evidence” roundtable on 16 October.
Shivika Sharma, our senior manager specialising in digital threats and policy, will present @radar.checkfirst.network during the “Turning data into evidence” roundtable on 16 October.
October 8, 2025 at 7:47 AM
Next week, we'll be heading to Ljubljana to attend @disinfo.eu's #Disinfo2025!
Shivika Sharma, our senior manager specialising in digital threats and policy, will present @radar.checkfirst.network during the “Turning data into evidence” roundtable on 16 October.
Shivika Sharma, our senior manager specialising in digital threats and policy, will present @radar.checkfirst.network during the “Turning data into evidence” roundtable on 16 October.
Reposted by CheckFirst
🚨 How do platforms combat disinformation? For the first time, we have data that provides a concrete answer to this question. Along with @checkfirst.network, @newtral.es, Slovak Governance Institute oraz Foundation for the Open University of Catalonia Pravda participates in the #SIMODS project.
1/3
1/3
October 1, 2025 at 1:25 PM
🚨 How do platforms combat disinformation? For the first time, we have data that provides a concrete answer to this question. Along with @checkfirst.network, @newtral.es, Slovak Governance Institute oraz Foundation for the Open University of Catalonia Pravda participates in the #SIMODS project.
1/3
1/3
Reposted by CheckFirst
🚨 New report out: the first cross-platform, cross-country baseline on misinformation in Europe
Based on large scale data analysis: ~2.6M posts (24B views) collected on Facebook, Instagram, LinkedIn, TikTok, X & YouTube
science.feedback.org/first-measurement-disinformation-major-platforms-europe
Based on large scale data analysis: ~2.6M posts (24B views) collected on Facebook, Instagram, LinkedIn, TikTok, X & YouTube
science.feedback.org/first-measurement-disinformation-major-platforms-europe
What our first measurement says about disinformation on major platforms in Europe - Science Feedback
Science Feedback and partners have released a first measurement of Structural Indicators across six Very Large Online Platforms (VLOPs) in four EU member states (France, Spain, Poland, Slovakia). Belo...
science.feedback.org
September 29, 2025 at 3:03 PM
🚨 New report out: the first cross-platform, cross-country baseline on misinformation in Europe
Based on large scale data analysis: ~2.6M posts (24B views) collected on Facebook, Instagram, LinkedIn, TikTok, X & YouTube
science.feedback.org/first-measurement-disinformation-major-platforms-europe
Based on large scale data analysis: ~2.6M posts (24B views) collected on Facebook, Instagram, LinkedIn, TikTok, X & YouTube
science.feedback.org/first-measurement-disinformation-major-platforms-europe
It’s today!
📢 On 18 Sept, we explore how AI-driven Russian propaganda campaigns target media.
📚Insights on tactics to target fact-checkers, media, and global audiences.
🎙Featuring @allxbo.bsky.social from @reset.tech and @g.checkfirst.network from @checkfirst.network
🔗Register: us06web.zoom.us/webinar/regi...
📚Insights on tactics to target fact-checkers, media, and global audiences.
🎙Featuring @allxbo.bsky.social from @reset.tech and @g.checkfirst.network from @checkfirst.network
🔗Register: us06web.zoom.us/webinar/regi...
September 18, 2025 at 3:53 AM
It’s today!
Reposted by CheckFirst
📢 On 18 Sept, we explore how AI-driven Russian propaganda campaigns target media.
📚Insights on tactics to target fact-checkers, media, and global audiences.
🎙Featuring @allxbo.bsky.social from @reset.tech and @g.checkfirst.network from @checkfirst.network
🔗Register: us06web.zoom.us/webinar/regi...
📚Insights on tactics to target fact-checkers, media, and global audiences.
🎙Featuring @allxbo.bsky.social from @reset.tech and @g.checkfirst.network from @checkfirst.network
🔗Register: us06web.zoom.us/webinar/regi...
September 11, 2025 at 3:14 PM
📢 On 18 Sept, we explore how AI-driven Russian propaganda campaigns target media.
📚Insights on tactics to target fact-checkers, media, and global audiences.
🎙Featuring @allxbo.bsky.social from @reset.tech and @g.checkfirst.network from @checkfirst.network
🔗Register: us06web.zoom.us/webinar/regi...
📚Insights on tactics to target fact-checkers, media, and global audiences.
🎙Featuring @allxbo.bsky.social from @reset.tech and @g.checkfirst.network from @checkfirst.network
🔗Register: us06web.zoom.us/webinar/regi...
🔵 We're excited to announce the launch of the 1.8 version of
@radar.checkfirst.network! This practical, open framework is designed to help stakeholders simplify and standardise the #DigitalServicesAct.
🔗 checkfirst.network/radar-1-8-i...
@radar.checkfirst.network! This practical, open framework is designed to help stakeholders simplify and standardise the #DigitalServicesAct.
🔗 checkfirst.network/radar-1-8-i...
RADAR 1.8: Identify, assess and address potential DSA infringements - CheckFirst
CheckFirst is excited to announce the release of the latest version of RADAR (Regulatory Assessment for Digital Services Act), a practical framework designed to help stakeholders simplify and standardise the Digital Services Act (DSA).
checkfirst.network
September 5, 2025 at 8:23 AM
🔵 We're excited to announce the launch of the 1.8 version of
@radar.checkfirst.network! This practical, open framework is designed to help stakeholders simplify and standardise the #DigitalServicesAct.
🔗 checkfirst.network/radar-1-8-i...
@radar.checkfirst.network! This practical, open framework is designed to help stakeholders simplify and standardise the #DigitalServicesAct.
🔗 checkfirst.network/radar-1-8-i...
Reposted by CheckFirst
Russian-sponsored propaganda engines went into overdrive in the weeks leading up to the European Parliament’s no-confidence vote against Ursula von der Leyen, a confidential study seen by POLITICO shows.
How von der Leyen’s no-confidence vote fueled Russian propaganda
A confidential study found that a known Russian disinformation network had ramped up its posts by 60 percent while pushing the narrative that the European Commission president was “toxic.R…
www.politico.eu
July 22, 2025 at 7:57 AM
Russian-sponsored propaganda engines went into overdrive in the weeks leading up to the European Parliament’s no-confidence vote against Ursula von der Leyen, a confidential study seen by POLITICO shows.
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 CheckFirst
This week at @cgf-uk.bsky.social at European Media&Information Fund Annual Conference, our founder Emmanuel Vincent presented in a panel on what data researchers need to effectively implement European Code of Conduct on Disinformation&advance transparency obligations under the #DigitalServicesAct.
July 17, 2025 at 4:36 PM
This week at @cgf-uk.bsky.social at European Media&Information Fund Annual Conference, our founder Emmanuel Vincent presented in a panel on what data researchers need to effectively implement European Code of Conduct on Disinformation&advance transparency obligations under the #DigitalServicesAct.
Reposted by CheckFirst
📢 In a joint civil society effort, we filed a formal DSA complaint against 𝕏 (formerly Twitter) for violating Article 26(3) — which bans targeting ads based on sensitive data like sexuality, politics, religion, health.
📄 Read the joint statement: aiforensics.org/uploads/Join...
📄 Read the joint statement: aiforensics.org/uploads/Join...
aiforensics.org
July 15, 2025 at 10:02 AM
📢 In a joint civil society effort, we filed a formal DSA complaint against 𝕏 (formerly Twitter) for violating Article 26(3) — which bans targeting ads based on sensitive data like sexuality, politics, religion, health.
📄 Read the joint statement: aiforensics.org/uploads/Join...
📄 Read the joint statement: aiforensics.org/uploads/Join...
Reposted by CheckFirst
In this week's episode of the Active Measure Newsletter's podcast I was invited to discuss the content of our joint investigation with @dfrlab.bsky.social and @checkfirst.network on the Pravda Network and the consequences of the poisoning of LLMs & the targeting of Wikipedia
omny.fm/shows/active...
omny.fm/shows/active...
The Pravda Network with Valentin Chatelet - The Active Measures Newsletter Podcast
This week, Jim Ludes and Mark Jacobson welcome Valentin Chatelet, a research associate at the Atlantic Council's Digital Forensic Research Lab, for an urgent discussion of the Pravda Network--a Russia...
omny.fm
June 30, 2025 at 1:30 PM
In this week's episode of the Active Measure Newsletter's podcast I was invited to discuss the content of our joint investigation with @dfrlab.bsky.social and @checkfirst.network on the Pravda Network and the consequences of the poisoning of LLMs & the targeting of Wikipedia
omny.fm/shows/active...
omny.fm/shows/active...
Reposted by CheckFirst
1/ Plus que jamais, les actions « hybrides » conduites par la Russie sur le continent européen font la une de l’actualité. Nous avons décidé de construire une cartographie interactive pour mieux représenter et cerner le phénomène ⬇️
June 27, 2025 at 4:57 PM
1/ Plus que jamais, les actions « hybrides » conduites par la Russie sur le continent européen font la une de l’actualité. Nous avons décidé de construire une cartographie interactive pour mieux représenter et cerner le phénomène ⬇️
Reposted by CheckFirst
🚨 #HEAT shows climate disinfo is systemic – but EU regulation hasn’t caught up.
Platforms still face no legal obligation under the #DSA to address it.
👉 It’s time to treat #ClimateDisinfo as a real threat to democracy.
📘 Read the report 👇
www.disinfo.eu/heat-harmful...
#EMIFund
Platforms still face no legal obligation under the #DSA to address it.
👉 It’s time to treat #ClimateDisinfo as a real threat to democracy.
📘 Read the report 👇
www.disinfo.eu/heat-harmful...
#EMIFund
June 25, 2025 at 7:32 AM
🚨 #HEAT shows climate disinfo is systemic – but EU regulation hasn’t caught up.
Platforms still face no legal obligation under the #DSA to address it.
👉 It’s time to treat #ClimateDisinfo as a real threat to democracy.
📘 Read the report 👇
www.disinfo.eu/heat-harmful...
#EMIFund
Platforms still face no legal obligation under the #DSA to address it.
👉 It’s time to treat #ClimateDisinfo as a real threat to democracy.
📘 Read the report 👇
www.disinfo.eu/heat-harmful...
#EMIFund
Reposted by CheckFirst
📊 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
🔴 NEW REPORT
Alongside @reset.tech, we publish our third investigation into Operation Overload. ⤵️
Alongside @reset.tech, we publish our third investigation into Operation Overload. ⤵️
June 26, 2025 at 7:57 AM
🔴 NEW REPORT
Alongside @reset.tech, we publish our third investigation into Operation Overload. ⤵️
Alongside @reset.tech, we publish our third investigation into Operation Overload. ⤵️
Reposted by CheckFirst
We also came up with haveibeentargeted.online
where you can upload your X data and see whether advertisers have targeted you based on your sensitive characteristics 👇
where you can upload your X data and see whether advertisers have targeted you based on your sensitive characteristics 👇
AIF - Have I Been Targeted ?
haveibeentargeted.online
June 18, 2025 at 10:07 AM
We also came up with haveibeentargeted.online
where you can upload your X data and see whether advertisers have targeted you based on your sensitive characteristics 👇
where you can upload your X data and see whether advertisers have targeted you based on your sensitive characteristics 👇