Cloud and Aggregation: Security and Privacy

This lecture covers the concepts of cloud computing, data aggregation, and their implications on security and privacy. It discusses the advantages and challenges of server-based systems versus cloud services, as well as the security risks and defenses in cloud and aggregation scenarios. Additionally, it explores the importance of confidentiality in research and open data, the impact of services collecting unnecessary data, and the use of techniques like homomorphic encryption and differential privacy to enhance data protection.