Privacy and Security: Balancing Act

This lecture discusses the tradeoff between security and privacy, highlighting the abuse and ineffectiveness of surveillance tools. It explores how privacy is a crucial security property for individuals, companies, and governments, emphasizing the strategic adversary in privacy. The lecture also covers security design principles that apply to privacy, the importance of Privacy Enhancing Technologies (PETs), and real-world examples like the Crypto AG scandal. It delves into privacy quantification, privacy properties such as confidentiality, pseudonymity, anonymity, unlinkability, unobservability, and plausible deniability. The systematic evaluation of privacy mechanisms and the significance of privacy in society are also addressed, along with examples like the Chinese Social Credit System and the Cambridge Analytica scandal.