February 8, 2023

Archives for June 2017

European authorities fine Google for search tactics

This week the European Commission (EC) announced that it is fining Google $2.7 billion for anti-competitive tactics in the company’s iconic search product. In this post I’ll unpack what’s going on here. I have some background on this topic. In 2011-12, when I was Chief Technologist at the FTC, the agency did a big investigation […]

Killing car privacy by federal mandate

The US National Highway Traffic Safety Administration (NHTSA) is proposing a requirement that every car should broadcast a cleartext message specifying its exact position, speed, and heading ten times per second. In comments filed in April, during the 90-day comment period, we (specifically, Leo Reyzin, Anna Lysyanskaya, Vitaly Shmatikov, Adam Smith, together with the CDT […]

Lessons of 2016 for U.S. Election Security

The 2016 election was one of the most eventful in U.S. history. We will be debating its consequences for a long time. For those of us who pay attention to the security and reliability of elections, the 2016 election teaches some important lessons. I’ll review some of them in this post. First, though, let’s review […]

Web Census Notebook: A new tool for studying web privacy

As part of the Web Transparency and Accountability Project, we’ve been visiting the web’s top 1 million sites every month using our open-source privacy measurement tool OpenWPM. This has led to numerous worrying findings such as the systematic abuse of newly introduced web features for fingerprinting, leading to better privacy tools and occasionally strong responses […]

Breaking, fixing, and extending zero-knowledge contingent payments

The problem of fair exchange arises often in business transactions — especially when those transactions are conducted anonymously over the internet. Alice would like to buy a widget from Bob, but there’s a circular problem: Alice refuses to pay Bob until she receives the widget whereas Bob refuses to send Alice the widget until he […]