Social media has expanded freedom of expression like never before, but it has also exposed important limitations. Disinformation, hate speech, and the difficulty of holding the authors of digital content accountable have placed the law before new and urgent dilemmas.
In this scenario, legal professionals are called upon to act with skill, ethics, and responsibility. This article discusses the legal challenges of freedom of expression in the digital environment, the constitutional limits, and the active role of legal professionals in building a safer and more democratic virtual space.
The rise of social media and the new challenge for Law.
Social media has become the primary space for the circulation of ideas, opinions, and social mobilization. With just a few clicks, anyone can publish, share, and make content go viral— without any editorial filter or prior responsibility . This communication revolution has democratized voice, but it has also paved the way for dangerous distortions.
The digital environment, shaped by engagement algorithms, favors precisely the most controversial, sensationalist, or misleading content. The viral spread of misinformation has become a concrete threat to democracy, public health, and information security . In this new scenario, the law needs to deal with problems that are growing faster than the laws themselves.
Fake news and its impact on society.
In the context of elections, disinformation in the electoral environment has become a global phenomenon. In Brazil, according to the DataSenado Institute (2024), 81% of the population believes that fake news influences election results , and 72% say they have already received this type of content on social media. The cost is high: discredit in the electoral process, extreme polarization, and manipulation of public opinion.
Article 5, item IX, of the Constitution guarantees freedom of expression, but this freedom cannot be confused with the right to deceive or manipulate . When digital platforms fail to moderate knowingly false content, this omission contributes to the erosion of democratic trust. Legally, accountability becomes an unavoidable issue.
On the other hand, regarding public health, during the pandemic, the circulation of false information about vaccines and ineffective home remedies cost lives. The World Health Organization classified this phenomenon as an infodemic : an excess of information, true or false, that hinders access to reliable sources.
In this context, holding platforms accountable becomes even more urgent. Freedom of expression cannot serve as a shield for practices that endanger public health . Initiatives such as the Fake News Bill (PL 2630/2020) seek to demand greater transparency and responsibility in content moderation, especially on sensitive topics.
Information security and behavior manipulation
Fake news goes beyond political or health discourse, and can be used as a tool for social engineering, with the potential to generate risky behaviors, violence, or economic harm . Organized groups use networks to manipulate emotions, radicalize positions, and destabilize institutions.
The problem is exacerbated by the absence of clear rules and effective oversight . Article 19 of the Brazilian Internet Bill of Rights, which deals with the liability of platforms, remains controversial and insufficient given the complexity of the digital environment. Discussion about revising this article is necessary and urgent.
The role of lawyers on social media.
Given this scenario, legal professionals cannot remain neutral. It is the duty of those working in law to understand, interpret, and intervene in the digital public debate. This requires technical expertise, institutional sensitivity, and an ethical stance in the face of misinformation and polarization.
Legal action goes beyond judicial repression: it encompasses digital education, support for balanced legislation, and the responsible use of one's own online presence. The jurist must be a point of reference for qualified dialogue , combating the trivialization of lies with arguments, data, and constitutional principles.
More than just applying the law, the role of legal professionals online is to protect democratic foundations in times of uncertainty.
Freedom of expression in the Constitution: a right with limits.
Freedom of expression is one of the pillars of the Democratic Rule of Law. Enshrined in sections IV and IX of Article 5 of the Federal Constitution , it guarantees free thought and intellectual, artistic, scientific, and communicative expression, regardless of censorship or licensing. Article 220 of the Federal Constitution reinforces this guarantee by prohibiting any form of restriction on media activity and the expression of thought, forbidding prior censorship.
However, this is not an absolute right . The Constitution itself imposes legitimate limits when the exercise of freedom violates other fundamental rights, such as honor, privacy, image, and private life (Article 5, items V and X). Furthermore, the constitutional text prohibits anonymity (Article 5, IV), precisely to allow for subsequent accountability for any abuses.
This constitutional architecture establishes a balance: citizens are free to express themselves, but must be held accountable for any excesses committed , especially when they offend, misinform, or incite violence. This responsibility is not censorship , but a democratic mechanism for protection against abuses of freedom.
The Brazilian Supreme Court has reaffirmed this logic in several decisions. In the judgment of ADPF 130 , which dealt with the former Press Law, the Supreme Court declared that freedom of expression is a "condition for the exercise of citizenship"—but it cannot serve as a shield for abusive practices. Hate speech, fake news, and incitement to violence are not protected by the constitutional mantle of freedom.
Another relevant precedent is the judgment of the Fake News Inquiry (INQ 4781) , in which the Supreme Federal Court recognized that systematic disinformation, when directed against democratic institutions, can represent an abuse of the right to freedom of expression and give rise to civil and criminal liability, and even the removal of content.
The conclusion is clear: freedom of expression is not the right to harm , but rather to contribute to public debate. The contemporary challenge lies precisely in identifying the limits between protected speech and illicit speech—and, in this field, the role of the jurist is essential to ensure that the law keeps pace, in a balanced way, with the transformations of the digital world.
The role of the legal professional in the age of digital responsibility.
The digital age imposes new challenges on the law. Legal professionals, who previously dealt with more predictable and traditional conflicts, now need to grapple with fake news, cybercrimes, deepfakes, hate speech, and content moderation on social media.
As highlighted in the article "How the Digital Age Impacts Law and New Forms of Cybercrime ," technological transformations demand quick and effective legal responses , since crimes in the virtual environment occur in real time and often involve multiple jurisdictions.
In this scenario, the legal professional moves from spectator to active agent in the regulation of digital space. In this sense, the legal professional must contribute with legislative proposals, participate in public hearings, guide judicial decisions, and act in the formulation of public policies on digital platforms, privacy, data protection, and informational integrity. It is not enough to simply apply rules—it is necessary to think critically about their updating and scope.
Furthermore, legal professionals have a central ethical role: to promote the circulation of truthful information, encourage digital literacy, and combat misinformation based on technical expertise and institutional responsibility . This includes warning about fraud, providing guidance on digital security, and fostering the responsible use of social media by citizens, businesses, and governments.
Finally, the great challenge lies in acting with balance in a polarized environment. In times of radicalism and distorted truths, the jurist must maintain impartiality, defend constitutional principles, and use their public voice to protect fundamental rights. In a world where algorithms shape narratives, the jurist must be an anchor of credibility and legal rationality.
The closing thought
The digital age demands a new profile for legal professionals: attentive to innovations, committed to fundamental rights, and prepared to face the legal risks of the online environment. Fake news, irresponsible anonymity, and opaque algorithms cannot be dealt with using the same tools as in the last century.
It is necessary to understand that freedom of expression is not absolute. The law must guarantee a balanced digital public space where pluralistic debate is protected, but abuses have consequences. Jurists, legislators, and institutions have an essential role in formulating effective solutions. If you want to act confidently and proactively in this new reality, learn about the IDP 's Postgraduate Program in Digital Law . The course prepares professionals to deal with the legal challenges of social networks, data protection, and technology regulation. Invest in your education and be at the forefront of the law of the future.
References
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BRAZIL. Constitution (1988). Constitution of the Federative Republic of Brazil of 1988. Available at: https://www.planalto.gov.br/ccivil_03/constituicao/ConstituicaoCompilado.htm.
BRAZIL. Ministry of Health. National Health Council. Driven by profit, misinformation undermines trust in public health . September 6, 2024. Available at: https://www.gov.br/conselho-nacional-de-saude/pt-br/assuntos/noticias/2024/marco/movida-por-lucro-desinformacao-mina-a-confianca-na-saude-publica.
CONJUR. GOBATO, Caroline; GALVÃO DOS SANTOS, Victória Coutinho. Freedom of expression and its legal repercussions in the digital environment . November 22, 2020. Available at: https://www.conjur.com.br/2020-nov-22/opiniao-liberdade-expressao-repercussoes-meio-digital/.
IDP Blog. How the Digital Age Impacts Law and New Forms of CybercrimeDigital Law Blog. December 2, 2024. Available at: https://pos.idp.edu.br/idp-learning/blog/direito-digital/como-a-era-digital-impacta-o-direito-e-as-novas-modalidades-de-crimes-ciberneticos/.
Federal Senate (Brazil). Senate Agency. For Brazilians, fake news impacts elections, reveals DataSenado.. 23 Aug. 2024. Available at: https://www12.senado.leg.br/noticias/materias/2024/08/23/para-brasileiros-noticias-falsas-impactam-eleicoes-revela-datasenado.
