Most cited

Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 1,584 posts.

Security & Privacy
Any year
181

My Open Wireless Network

Whenever I talk or write about my own security setup, the one thing that surprises people—and attracts the most criticism—is the fact that I run an open wireless network at home. There’s no password. There’s no encryption. Anyone with wireless capability who can see my network can use it to access the internet. To me…

182

The Difficulty Of Private Contact Discovery

Building a social network is not easy. Social networks have value proportional to their size, so participants aren’t motivated to join new social networks which aren’t already large. It’s a paradox where if people haven’t already joined, people aren’t motivated to join. The trouble is that whi...

188

Serious Intel CPU bugs (2016)

2015 was a pretty good year for Intel. Their quarterly earnings reports exceeded expectations every quarter. They continue to be the only game in town for the serious server market, which continues to grow exponentially; from the earnings reports of the two largest cloud vendors, we can see that AWS and Azure grew by…

195

When Will We See Collisions for SHA-1?

On a NIST-sponsored hash function mailing list, Jesse Walker (from Intel; also a member of the Skein team) did some back-of-the-envelope calculations to estimate how long it will be before we see a practical collision attack against SHA-1. I’m reprinting his analysis here, so it reaches a broader audience. According…

200

How Safe Browsing Works in Firefox

Firefox has had support for Google's Safe Browsing since 2005 when it started as a stand-alone Firefox extension . At first it was only available in the USA, but it was opened up to the rest of the world in 2006 and moved to the Google Toolbar . It then got integrated directly into Firefox 2.0 before the public launch…

207

Warrant Canary Frequently Asked Questions

What is a warrant canary? A warrant canary is a colloquial term for a regularly published statement that a service provider has not received legal process that it would be prohibited from saying it had received. Once a service provider does receive legal process, the speech prohibition goes into...