Improving Statistical Privacy by Subsampling

Differential privacy DP considers a scenario, where an adversary has almost complete information about the entries of a database This worst-case assumption is likely to overestimate the privacy thread for an individual in real life. Statistical privacy SP denotes a setting where only the...

Privid: A Privacy-Preserving Surveillance Video Analytics System

A group of academics has designed a new system known as "Privid" that enables video analytics in a privacy-preserving manner to combat concerns with invasive tracking. "We're at a stage right now where cameras are practically ubiquitous. If there's a camera on every street corner, every place you...

Google Wants to Help Tech Companies Know Less About You

By releasing its homegrown differential privacy tool, Google will make it easier for any company to boost its privacy bona fides...

Vuvuzela - Private Messaging System That Hides Metadata

Vuvuzela is a messaging system that protects the privacy of message contents and message metadata. Users communicating through Vuvuzela do not reveal who they are talking to, even in the presence of powerful nation-state adversaries. Our SOSP 2015 paper explains the system, its threat model,...

Private Messaging System: Vuvuzela

Vuvuzela is a messaging system that protects the privacy of message contents and message metadata. Users communicating through Vuvuzela do not reveal who they are talking to, even in the presence of powerful nation-state adversaries. Vuvuzela is the first system that provides strong metadata...

Google Working on Tool to Gather Stats While Preserving Privacy

Google is working on a new system that enables the company to collect randomized information about the way that users are affected by unwanted software on their machines, without gathering identifying data about the users. The system is known as RAPPOR Randomized Aggregatable Privacy-Preserving...