Explore the complexities of data anonymization in this 23-minute conference talk from USENIX Enigma 2020. Delve into the challenges of protecting anonymized data as Matt Bishop from the University of California, Davis, examines how adversaries can exploit relationships between data fields to reveal hidden information. Learn about the role of external data in uncovering these relationships and approach data anonymization as a risk management problem. Gain insights into differential privacy, analyze real-world examples like the Netflix and AOL data breaches, and understand the implications for data protection strategies. Discover the importance of considering temporal, situational, and non-obvious relations in data anonymization efforts.