Best of 2021

The blog posts Hacker News loved most in 2021. 678 posts.

Security & Privacy
452

DoS attacks against my online game

DDraceNetwork is an open source online game I’ve been running since 2013 with a community of volunteers. The game is available for free, I’m hosting servers for it in many countries around the world so that we have trusted official ranks . The servers are paid for by donations , which I stop collecting once the cost…

457

Black Hat USA 2021 Review

中文 First of all, thank Orange Tsai for giving me the opportunity to participate in Black Hat USA 2021 in Las Vegas. This article would not exist without this ticket. I am going to share my thoughts and some technical topics on the two days of Black Hat USA 2021 in this article. The hotel and the conference venue are…

466

Alexa leaks private wishlists

This morning, my wife noticed that Alexa was insistently flashing its little blue lights. "Alexa... Notifications?" "You have one notification. An item on your wishlist has dropped in price. The … is now only £…" And that's how my wife found out what I planned to get her for her birthday! What happened to cause this?…