La vie privée numérique constitue les mesures prises pour protéger les données personnelles qui sont collectées, traitées, stockées et diffusées dans le domaine numérique. Elle comprend différents aspects tels que la confidentialité des données, la sécurité des communications en ligne et le droit à la vie privée. La confidentialité des données donne aux individus le pouvoir de contrôler leurs informations numériques, tandis que la communication en ligne sécurisée garantit la sécurité des interactions en ligne. Le droit à la vie privée concerne la capacité de décider de l'étendue de sa visibilité en ligne et de gérer les données indésirables. Le concept de vie privée numérique inclut également l'utilisation de technologies et d'outils tels que les VPN et les modificateurs d'adresse IP, qui offrent des connexions sécurisées et protègent les utilisateurs contre le suivi et l'écoute. Il s'agit d'un élément vital de l'univers numérique qui est confronté à de nombreux défis, notamment les fuites de données, les déficits de transparence et les problèmes de confiance avec les entreprises technologiques. L'importance de la protection de la vie privée numérique s'est accrue avec la prise de conscience des utilisateurs et l'émergence de technologies avancées telles que l'IA, qui posent de nouveaux problèmes en matière de protection de la vie privée.
Vie privée numérique is often used in contexts that promote advocacy on behalf of individual and consumer privacy rights in e-services and is typically used in opposition to the business practices of many e-marketers, businesses, and companies to collect and use such information and data. Digital privacy can be defined under three sub-related categories: confidentialité de l'information, communication privacy, and individual privacy.
Digital privacy has increasingly become a topic of interest as information and data shared over the web social have continued to become more and more commodified; social media users are now considered unpaid "digital labors", as one pays for "free" e-services through the loss of their privacy. For example, between 2005 and 2011, the change in levels of disclosure for different profile items on Facebook shows that, over the years, people have wanted to keep more information private. Observing the seven-year span, Facebook gained a profit of $100 billion through the collection and sharing of their users' data with third-party advertisers.
The more a user shares on social networks, the more privacy is lost. All of the information and data one shares is connected to clusters of similar information. As the user continues to share their productive expression, it gets matched with the respective cluster, and their speech and expression are no longer only in the possession of them or of their social circle. This can be seen as a consequence of building social capital. As people create new and diverse ties on social networks, data becomes linked. This decrease in privacy continues until bundling appears (when the ties become strong and the network more homogeneous).
Some laws allow filing a case against a breach of digital privacy. In 2007, for instance, a class-action lawsuit was lodged on behalf of all Facebook users that led Facebook to close its advertising system, "Balise." In a similar case in 2010, the users sued Facebook once again for sharing personal user information with advertisers through their gaming application. Laws are based on consumers' consent and assume that the consumers are already empowered to know their own best interests. Therefore, for the past few years, people have been focusing on self-management of digital privacy through rational and educated decision-making.
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