Online privacy is the protection of personal information and data shared over the internet from unauthorized access, misuse, and exploitation. This research area focuses on studying methods and techniques for safeguarding individuals' online activities, such as browsing history, social media interactions, financial transactions, and personal communications, from being accessed or tracked by third parties without their consent. Researchers in this field also explore the legal, ethical, and technical implications of online privacy, as well as develop tools and strategies to enhance user control over their personal data online.Overall, the goal of research in online privacy is to ensure that individuals can navigate the digital world safely and securely while maintaining their rights to privacy and autonomy.