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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 678 posts.

2021
451

$ sudo rm -rf / === NPM install

🔎I authored this blog post whilst I was an employee of Gitpod for Gitpod. I no longer work at Gitpod. In what seems like a long time ago, in part because it is, I learned the catastrophic capabilities of this command the hard way, and I'm sure folks my

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…

454

Fail2ban – Remote Code Execution

Securitum is a pure pentesting company specialising in the security of IT systems. We have experience in performing security audits (including penetration tests) - mainly for financial/e-commerce/industrial sectors. We have performed penetration tests and cyber security services for leading European banks (see…

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…

458

The Drunken Bishop Algorithm

There’s a tradition in my family that everyone takes a turn stirring a secret wish into the yearly christmas pudding . It’s important that the wishes remain secret to the wisher or the pudding magics wont work so since moving to America I’ve implemented a new way of hashing my wish so it can be stirred in via text…

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?…