February 2, 2023

Archives for November 2014

How do we decide how much to reveal? (Hint: Our privacy behavior might be socially constructed.)

[Let’s welcome Aylin Caliskan-Islam, a graduate student at Drexel. In this post she discusses new work that applies machine learning and natural-language processing to questions of privacy and social behavior. — Arvind Narayanan.] How do we decide how much to share online given that information can spread to millions in large social networks? Is it always our […]

Let’s Encrypt: Bringing HTTPS to Every Web Site

HTTPS, the cryptographic protocol used to secure web traffic as it travels across the Internet, has been in the news a lot recently. We’ve heard about security problems like Goto Fail, Heartbleed, and POODLE — vulnerabilities in the protocol itself or in specific implementations — that resulted in major security headaches. Yet the single biggest […]

PCLOB testimony on "Defining Privacy"

This morning I’m testifying at a hearing of the Privacy and Civil Liberties Oversight Board, on the topic of “Defining Privacy”. Here is the text of my oral testimony. (This is the text as prepared; there might be minor deviations when I deliver it.) [Update (Nov. 16): video stream of my panel is now available.]

A technological approach to better living, for D.C. and beyond

Washington, D.C., could be a leader in the United States — and worldwide — in using technology to improve the lives of its residents and visitors. As a rapidly growing city with a diverse and highly educated population, the District is a leader in law, education, tourism and, of course, government. With this mass of […]