This book presents the proceedings of the Privacy Symposium 2023. the book features a collection of high-quality research works and professional perspectives on personal data protection and emerging technologies. Gathering legal and technology expertise, it provides cutting-edge perspective on international data protection regulations convergence, as well as data protection compliance of emerging technologies, such as artificial intelligence, e-health, blockchain, edge computing, Internet of Things, V2X and smart grid. Papers encompass various topics, including international law and comparative law in data protection and compliance, cross-border data transfer, emerging technologies and data protection compliance, data protection by design, technology for compliance and data protection, data protection good practices across industries and verticals, cybersecurity and data protection, assessment and certification of data protection compliance, and data subject rights implementation.