Understanding and Improving Security and Privacy in Multi-User Smart Homes - A Design Exploration and In-Home User Study

Explore the complexities of security and privacy in multi-user smart homes through this USENIX Security '19 conference talk. Delve into design challenges, examine existing smart home platforms, and learn about a proposed prototype called Smarter Home. Discover design principles for respectful usage and user agency, and gain insights from an in-home user study. Analyze access control rules, household norms, and usability challenges in smart home environments. Conclude with valuable recommendations for improving security and privacy in multi-user smart home setups.

Intro
What does smart home security and privacy mean?
Examples of Multi-User Security and Privacy Challenges in Smart Homes
How are existing smart home platforms designed for multiple users?
Study Overview
Threat Model
Proposed Design Principles
Our Prototype: Smarter Home
Designing for Respectful Usage
Designing for User Agency
User Study Protocol
Access controls rules for specific cases
Respectful usage based on household norms
Norms inherited from the physical space
Usability challenges to user agency
Discussion
Recommendations
Summary