Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,337 posts.
Passwordless Logins with Yubikey
Yubikey is currently the de facto device for U2F authentication. It enables adding an extra layer of security on top of SSH, system login, signing GPG keys,...
Why Security Backdoors are Bad (2016)
Recently, there has been a bit of controversy over the concept of the government or security agencies adding backdoors to services and…
Notes on Analytics and Tracking in Onavo Protect for iOS
Recent media coverage of Onavo Protect encouraged me to investigate the code for the iOS version of their app. I wanted to determine what…
Canada's awful new proposals on “harmful” content
Canada's government is poised to pass a "harmful content" regulation. It's a worst-in-class mutation of a dangerous idea that's swept the globe, in which governments demand that hamfisted tech giants remove broad categories of speech – too swiftly for meaningful analysis.
If AI can read, then plain text can be weaponized (2019)
Advances in AI have helped automate many tasks that involve processing text. However, text-processing AI algorithms have their own unique vulnerabilities, researchers at IBM, Amazon and University of Texas have found.
UK intelligence censored report on global warming and homeland security
Series: I read it so you don't have to
A DoS Attack Against the C# Compiler
Generics in C# are certainly very useful and I find it amazing that we almost didn’t get them:
SQL Injection as a Feature
Looking at old applications, we always wonder who in their right mind thought of building them so badly. But every repository has its story and every effort has noble origins. I encountered such an ap
Patching Is Hard
There are many news reports of a ransomware worm . Much of the National Health Service in the UK has been hit; so has FedEx . The patch for the flaw exploited by this malware has been out for a while, but many companies haven’t installed it. Naturally, this has prompted a lot of victim-blaming: they should have…
U.S. Internet leaked years of internal, customer emails
The Minnesota-based Internet provider U.S. Internet Corp. has a business unit called Securence , which specializes in providing filtered, secure email services to businesses, educational institutions and government agencies worldwide. But until it was notified last week, U.S. Internet was publishing more than a…
Mr. Robot Blind SQL Injection Vulnerability
So the other day I saw this article TheHackerNews and in Forbes how a hacker found a XSS vulnerability on Mr Robot Tv series official website. since I’m a big fan of the TV Series I went and …
Arris / Arris-variant DSL/Fiber router critical vulnerability exposure
Cybersecurity researcher, entrepreneur, and engineer.
Using AI to secure AI
One of Anthropic's quieter releases recently was their "Security Review," where Claude Code can identify and fix security issues in your code. But how good is it really? In my case, will it find issues with code it helped me write for my newsletter service…
An important safety note about chown and symlinks (also chmod and chgrp)
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
The Factoring Cryptopocalypse
The key detail to understand about the work in the Joux papers is that it is limited to solving discrete logarithm problems over fields of small characteristic . As interesting as the work is, mathematically, it should not be a great surprise to cryptographers: We've known for over a decade that small-characteristic…
How to check if your Apple Silicon Mac is booting securely
How to check your Mac is booting in Full Security, and how to read its log to verify all the key steps involved in that process.
Please Request Your Personal Data Held by Cambridge Analytica
By now, many people have probably heard about the company Cambridge Analytica . By its own admission, it played a major role in the succes...
Bypassing a Python sandbox by abusing code objects
Awhile ago, I stumbled upon a service that let you write python-bots to interact with a number of external services. The basic idea was th...
Modchips of the State
Collection of my projects and hacks.
Kimwolf Botnet Swamps Anonymity Network I2P
For the past week, the massive “Internet of Things” (IoT) botnet known as Kimwolf has been disrupting The Invisible Internet Project (I2P), a decentralized, encrypted communications network designed to anonymize and secure online communications. I2P users started reporting disruptions in the network around the same…
Put your SSH keys in your TPM chip
Published: 10-04-2026 19:37 | Author: Remy van Elst | Text only version of this article
Critiques of the DHS and FBI’s Grizzly Steppe Report
On December 29 th , 2016 the White House released a statement from the President of the United States (POTUS) that formally accused Russia of interfering with the US elections, amongst other activities. This statement laid out the beginning of the US’ response including sanctions against Russian military and…
My gym forced a social media down my throat. So I reverse-engineered its app
Extracting my gym’s QR check-in from its Flutter app, with a rooted phone and a lot of ripgrep.
How Dropbox sacrifices user privacy for cost savings
Note: This flaw is different than the authentication flaw in Dropbox that Derek Newton recently published . Summary Dropbox , the popular cl...