In this research area, we delve into the critical balance between utilizing data for the public good and protecting individual privacy. In today's data-centric world, the power of data in decision-making is undeniable, yet it brings forth pressing privacy concerns and risks of misuse. Our focus is on how data can effectively address societal challenges, such as health crises and economic development, while ensuring privacy. We explore the evolving landscape of data privacy, considering impacts of regulations like GDPR and public attitudes towards data sharing. We also research practices that safeguard individual rights while leveraging data for societal benefit, employing innovative approaches like synthetic data and privacy-preserving analytics.