Ivančík, RadoslavKazanský, RastislavRýsová, Lucia2026-01-282026-01-2820252806-9501https://doi.org/10.17818/SM/2025/1.1https://repo.umb.sk/handle/123456789/1248In: Suvremeni Mediteran = Contemporary Mediterranean. Dubrovník : Sveučilište u Dubrovniku, 2025. ISSN 2806-9501. Vol. 4, no. 1 (2025), pp. [1-12].Disinformation is one of the anti-phenomenon of the modern information society. They are not new, they have been used since ancient times. However, their number has increased rapidly with the growing availability and use of the Internet, the emergence of social media, and the exponential growth of user numbers. In recent years, democratic countries have been increasingly exposed to the deliberate, extensive, and systematic dissemination of disinformation with aimed at influencing democratic and decision-making processes, as well as the behaviour, actions, and opinions of people. This is also why the authors, using relevant methods of scientific research, deal with the issue of disinformation as a security threat to a democratic society in this article.enCC BY-ND Creative Commons Attribution-NoDerivs 3.0 Unportedinfo:eu-repo/semantics/openAccessdezinformáciedisinformationdemokraciademocracyspoločnosťsocietybezpečnosťsecurityhrozbythreatsArticle