This book constitutes the refereed proceedings of the 12th Annual Privacy Forum on Privacy Technologies and Policy, APF 2024, held in Karlstad, Sweden, during September 4–5, 2024.The 12 full papers were carefully reviewed and selected from 60 submissions.

.- Implications of age assurance on privacy and data protection: A systematic threat model. .- Access Your Data... If You Can: An Analysis of Dark Patterns Against the Right of Access on Popular Websites. .- AI Cards: Towards an Applied Framework for Machine-Readable AI and Risk Documentation Inspired by the EU AI Act. .- Evaluating Differential Privacy on Correlated Datasets Using Pointwise Maximal Leakage. .- Addressing Privacy Concerns in Joint Communication and Sensing for 6G Networks: Challenges and Prospects. .- The lawfulness of re-identification under data protection law. .- How to Drill Into Silos: Creating a Free-to-Use Dataset of Data Subject Access Packages. .- Another Data Dilemma in Smart Cities: the GDPR’s Joint Controllership Tightrope within Public-Private Collaborations. .- Privacy Promise vs. Tracking Reality in Pay-or-Tracking Walls. .- Data Governance and Neutral Data Intermediation: Legal Properties and Potential Semantic Constraints. .- No Transparency for Smart Toys. .- Implementing ISO/IEC TS 27560:2023 Consent Records and Receipts for GDPR and DGA.