This lecture covers the challenges and techniques of privacy-preserving data publishing, focusing on the dangers of data collection, the importance of privacy regulations, and the risks of de-identification methods. It discusses real-life examples of failed de-identification attempts and explores the concepts of k-anonymity, l-diversity, and t-closeness. The lecture also delves into the use of synthetic data as a privacy protection measure and the trade-off between privacy and utility in data anonymization.