Cohere: Managing Differential Privacy in Large Scale Systems
Nicolas Küchler, Emanuel Opel, Hidde Lycklama, Alexander Viand, Anwar Hithnawi
IEEE Symposium on Security and Privacy 2024 · Day 1 · Continental Ballroom 6
The talk "Cohere: Managing Differential Privacy in Large Scale Systems" by Nicolas Küchler and his co-authors addresses the significant challenges organizations face when attempting to deploy **Differential Privacy (DP)** across multiple, interacting applications that share user data. While DP offers a rigorous framework for guaranteeing privacy in statistical data releases, its practical implementation in complex, real-world systems often leads to suboptimal privacy guarantees, inefficient resource allocation, and a lack of continuity. This presentation introduces Cohere, a novel system designed to overcome these hurdles by providing system-wide DP guarantees.
AI review
Cohere presents a groundbreaking system for managing differential privacy across large-scale, multi-application environments. It unifies diverse DP frameworks, optimizes privacy accounting through fine-grained data access patterns, and ensures budget continuity via user rotation, significantly boosting utility and practical deployability of DP.