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Relatórios Técnicos


Digital Fraud as a Public Security Issue: How Meta Profits from Fraudulent Ads About Public Policies
Data from 2026 indicate that becoming a victim of an online scam — that is, losing money over the internet or through a mobile phone — is among Brazilians’ main concerns, surpassing worries associated with urban violence. Electronic fraud already surpasses robbery in the number of reported cases in Brazil and finds its main channel for reaching victims on social media platforms. The Pix Scams study, conducted by cybersecurity company Silverguard, found that 79% of reported fi
Aug 4


Without Consent: Social Media Ads Promote Fake Sexual Videos of Paolla Oliveira Created Using Artificial Intelligence
Generative artificial intelligence has made it easier to produce and disseminate non-consensual intimate images, exacerbating sexual violence against women due to the low cost, widespread availability of these tools, and the ease with which images can be distributed across digital platforms. In recent years, NetLab UFRJ has identified the promotion of fraudulent and abusive advertisements on social media platforms, which profit from their distribution and expand their reach t
Aug 2


“A New Chance to Get Your Finances Back on Track!”: New Desenrola Brasil Program Accompanied by Increase in Fraudulent Ads
Fraudulent advertisements can be understood as a disinformation strategy based on paid content and social engineering techniques to generate revenue, causing financial and reputational harm to users. On social media, this type of advertising often relies on sensationalist language, promises of unrealistic results, prices or discounts far below market value, and AI-manipulated images. Scammers also create fake profiles that imitate official pages or pose as qualified professio
Jul 30


Ads About Brazil’s Supreme Court Reach an All-Time High on Meta Platforms in 2026
Nos últimos anos, o Supremo Tribunal Federal (STF), especialmente na figura de seus ministros, tornou-se um dos principais focos do debate político online no Brasil, refletindo a crescente polarização em torno de temas sociais e institucionais. As plataformas de redes sociais, especialmente por meio da publicidade paga, passaram a desempenhar um papel central nesse processo, permitindo que diferentes atores ampliem o alcance de campanhas, narrativas e disputas em torno da Cor
Jul 9


Contributions to Bills on Misogyny and Digital Violence
NetLab UFRJ was invited to provide technical contributions to the legislative debate surrounding two bills aimed at addressing misogyny and violence against women in digital environments: Bill 2273/2026, authored by Federal Deputy Sâmia Bomfim (PSOL-SP), and Bill 2/2026, authored by Senator Randolfe Rodrigues (PT-AP) and reported by Senator Teresa Leitão (PT-PE). Based on recent research and its expertise in the areas of digital platform transparency, social media governance,
Jun 22


“This Damn Machinery of Evil”: Judiciary and Legislature Shape Discussions on Abortion on Digital Platforms in 2025
In recent years, NetLab UFRJ has been analyzing the evolution of debates surrounding sexual and reproductive rights on digital platforms in Brazil, in partnership with civil society organizations. In this new report, we analyze how developments surrounding abortion rights reverberated in online discussions between October 2024 and November 2025. The report “This Damn Machinery of Evil”: Judiciary and Legislature Shape Discussions on Abortion on Digital Platforms in 2025 highl
May 27


Data Not Found: Social Media Data Transparency for Information Integrity
The Social Media Data Transparency Index is an initiative of NetLab UFRJ, developed in partnership with the University of Cambridge, which systematically and complexly assesses the level of data access offered by large digital platforms. The research analyzes 15 platforms in three different regulatory contexts—European Union, United Kingdom, and Brazil—comparing environments with different levels of regulation. The index measures access to two central types of data: user-gene
May 15


Election campaigning in 2026: recommendations on Resolution no. 23.610/2019 and the new drafts from the Superior Electoral Court (TSE).
With the rapid development of digital technologies, preserving the integrity of information in the online environment is a growing challenge. This is particularly challenging in election campaigns: between one election and another, numerous technologies and techniques are developed and refined, and if misused, they have the power to substantially impact public opinion. New problems compound those already existent, expanding their potential for harm beyond the reach of existin
Feb 3


Disinformation Can Kill: Scam Ads, Fraud, and Health Disinformation on Meta Platforms
This report is one of the partial results of the project “Impacts of the Digital Disinformation Industry on the Health of the Brazilian Population”, developed by NetLab UFRJ with support from the National Council for Scientific and Technological Development (CNPq) . The main objective of the project is to provide inputs for understanding the ecosystem of fraudulent health advertising, in order to inform public debate and guide strategies to confront health disinformation in
Dec 21, 2025


Greenwashing in the Energy Transition: How LinkedIn Ads Distort the Climate Debate and Legitimize Unsustainable Practices
The report "Greenwashing in the Energy Transition: How LinkedIn Ads Distort the Climate Debate and Legitimize Unsustainable Practices" is a groundbreaking study on the presence of socio-environmental misinformation in digital advertising campaigns on LinkedIn. The study analyzes 2,800 ads from 917 companies , published between 2023 and 2025, and shows how national and international corporations have been using sustainability rhetoric to reinforce a "green" image without pro
Nov 11, 2025


Transparency under threat: progress and setbacks between CrowdTangle and the Meta Content Library
In August 2024, Meta—the company responsible for platforms such as Facebook, Instagram, WhatsApp, Threads, and Messenger—discontinued CrowdTangle , a central tool for accessing data from its platforms and for journalistic and scientific investigations into the social impacts and risks associated with their use . The replacement with the Meta Content Library (MCL) , made available at the end of the previous year, represented a structural change in the company's platform data
Oct 22, 2025


‘It’s Easy to Make a Million’: Political Advertising on TikTok and the uneven Electoral Dispute of 2024
In recent years, digital platforms have been under increasing pressure to adopt transparency practices for their operations and business...
Oct 1, 2025
Relatórios Técnicos


Digital Fraud as a Public Security Issue: How Meta Profits from Fraudulent Ads About Public Policies
Data from 2026 indicate that becoming a victim of an online scam — that is, losing money over the internet or through a mobile phone — is among Brazilians’ main concerns, surpassing worries associated with urban violence. Electronic fraud already surpasses robbery in the number of reported cases in Brazil and finds its main channel for reaching victims on social media platforms. The Pix Scams study, conducted by cybersecurity company Silverguard, found that 79% of reported fi
Aug 4


Without Consent: Social Media Ads Promote Fake Sexual Videos of Paolla Oliveira Created Using Artificial Intelligence
Generative artificial intelligence has made it easier to produce and disseminate non-consensual intimate images, exacerbating sexual violence against women due to the low cost, widespread availability of these tools, and the ease with which images can be distributed across digital platforms. In recent years, NetLab UFRJ has identified the promotion of fraudulent and abusive advertisements on social media platforms, which profit from their distribution and expand their reach t
Aug 2


“A New Chance to Get Your Finances Back on Track!”: New Desenrola Brasil Program Accompanied by Increase in Fraudulent Ads
Fraudulent advertisements can be understood as a disinformation strategy based on paid content and social engineering techniques to generate revenue, causing financial and reputational harm to users. On social media, this type of advertising often relies on sensationalist language, promises of unrealistic results, prices or discounts far below market value, and AI-manipulated images. Scammers also create fake profiles that imitate official pages or pose as qualified professio
Jul 30


Ads About Brazil’s Supreme Court Reach an All-Time High on Meta Platforms in 2026
Nos últimos anos, o Supremo Tribunal Federal (STF), especialmente na figura de seus ministros, tornou-se um dos principais focos do debate político online no Brasil, refletindo a crescente polarização em torno de temas sociais e institucionais. As plataformas de redes sociais, especialmente por meio da publicidade paga, passaram a desempenhar um papel central nesse processo, permitindo que diferentes atores ampliem o alcance de campanhas, narrativas e disputas em torno da Cor
Jul 9


Contributions to Bills on Misogyny and Digital Violence
NetLab UFRJ was invited to provide technical contributions to the legislative debate surrounding two bills aimed at addressing misogyny and violence against women in digital environments: Bill 2273/2026, authored by Federal Deputy Sâmia Bomfim (PSOL-SP), and Bill 2/2026, authored by Senator Randolfe Rodrigues (PT-AP) and reported by Senator Teresa Leitão (PT-PE). Based on recent research and its expertise in the areas of digital platform transparency, social media governance,
Jun 22


“This Damn Machinery of Evil”: Judiciary and Legislature Shape Discussions on Abortion on Digital Platforms in 2025
In recent years, NetLab UFRJ has been analyzing the evolution of debates surrounding sexual and reproductive rights on digital platforms in Brazil, in partnership with civil society organizations. In this new report, we analyze how developments surrounding abortion rights reverberated in online discussions between October 2024 and November 2025. The report “This Damn Machinery of Evil”: Judiciary and Legislature Shape Discussions on Abortion on Digital Platforms in 2025 highl
May 27


Data Not Found: Social Media Data Transparency for Information Integrity
The Social Media Data Transparency Index is an initiative of NetLab UFRJ, developed in partnership with the University of Cambridge, which systematically and complexly assesses the level of data access offered by large digital platforms. The research analyzes 15 platforms in three different regulatory contexts—European Union, United Kingdom, and Brazil—comparing environments with different levels of regulation. The index measures access to two central types of data: user-gene
May 15


Election campaigning in 2026: recommendations on Resolution no. 23.610/2019 and the new drafts from the Superior Electoral Court (TSE).
With the rapid development of digital technologies, preserving the integrity of information in the online environment is a growing challenge. This is particularly challenging in election campaigns: between one election and another, numerous technologies and techniques are developed and refined, and if misused, they have the power to substantially impact public opinion. New problems compound those already existent, expanding their potential for harm beyond the reach of existin
Feb 3
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