AI SAFETY & ETHICS

Do Not Stick Out: The Dynamics of the ECH Rollout

Center for Democracy & Tech

When you’re trying to hide, the last thing you want is to draw attention to yourself. That was the philosophy behind the design of Encrypted Client Hello (ECH), a new technology that helps close a 20-year-old privacy leak in the Internet’s design. ECH encrypts the name of the website you’re visiting, making connections to