The popularization of the Internet in late 1990s started a new dynamic of communication and information access. Individuals who used to consume edited news in a passive manner also became information producers, turning information available instantly and abundantly. The present work proposes to observe the regulatory dynamics of freedom of expression and information access in these new spaces, which are initially private, but assume characteristics of a public arena, of dialogue and deliberation based on a non-State model. The main object of this analysis is the so-called phenomenon of disinformation which, despite not starting with and because of the Internet, finds in it the favorable environment for its rapid dissemination and the potential to become viral. Through a study of the relevant legislation and using a qualitative methodology, the interdisciplinary doctrine on the subject was analyzed. The study grouped Brazilian legislation and bills that affect the regulation of the subject, found the lack of legal resources to regulate the problem, noted possibilities for dialogue between legislative, social, technological and market spheres. It concluded that regulated partnerships are effective in everyday life and, for this, it is also necessary to have a participative posture and the involvement of different social actors.