Counting with STAR: Shipping a Privacy-Preserving Telemetry System to Millions of Users

Monday, September 11, 2023 - 9:15 am9:35 am

Shivan Kaul Sahib, Brave Software


This talk will focus on how Brave researched, developed and scaled an efficient and cheap privacy-preserving telemetry system (called STAR) which formalizes privacy guarantees related to data collection. STAR presents developers with parameters which can be tuned depending on the sensitivity of the data being collected, and unlocks a wide variety of use-cases which were previously too risky to consider. The talk starts by describing how we evaluated currently deployed options and why they were insufficient. Then, we will talk about the applied research => shipping in production pipeline and give examples of the various use-cases solved by a privacy-friendly telemetry system, and conclude with lessons learned along the way and how we would do things differently in the future.

Shivan Kaul Sahib, Brave Software

Shivan Kaul Sahib is a Senior Research & Privacy Engineer at Brave Software, where he focuses on developing privacy features in the browser and conducting privacy reviews across the company. He is active in the IETF and W3C and previously worked on DNS traffic encryption and consent tooling, among other things. He has a keen interest in public interest technology and frequently engages with civil society, currently serving on the Advisory Council for the Open Technology Fund (OTF).

@conference {290837,
author = {Shivan Kaul Sahib},
title = {Counting with {STAR}: Shipping a {Privacy-Preserving} Telemetry System to Millions of Users},
year = {2023},
address = {Santa Clara, CA},
publisher = {USENIX Association},
month = sep

Presentation Video