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We will not ‘walk out’ of UK, nor comply with any request to bypass encryption
Tutanota: We will not 'walk out' of UK like Signal. Nor will we comply with any request to bypass our encryption.
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The latest blog posts to take off on Hacker News. 617 posts.
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Lessons from the Debian/OpenSSL Fiasco (2008)
Last week, Debian announced that in September 2006 they accidentally broke the OpenSSL pseudo-random number generator while trying to silence a Valgrind warning. One effect this had is that the ssh-keygen program installed on recent Debian systems (and Debian-derived systems like Ubuntu) could only generate 32,767…
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My daughter's school took over my personal Microsoft account
This weekend I wanted to create a new App in Azure so I could help a local nonprofit automate one of their donor relations processes via email through Office 365. So I tried registering an app by visiting the App Registration Portal. I signed in to my personal Microsoft account, clicked 'New registration', then was…
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How to weaponize the Yubikey (2019)
Michael Allen // A couple of years ago, I had a YubiKey that was affected by a security vulnerability, and to fix the issue, Yubico sent me a brand new […]
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A tale of Phobos – How we almost cracked a ransomware using CUDA
For the past two years we've been tinkering with a proof-of-concept decryptor for the Phobos family ransomware. It works, but is impractical to use for reasons we'll explain here. Consequently, we've been unable to use it to help a real-world victim so far. We've decided to publish our findings and tools, in hope that…
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How to date a recording using background electrical noise
Three men were accused of selling firearms to South London gangs. At their 2012 trial in Croydon Crown Court, the prosecution played the jury a recording, taken undercover, of the trio allegedly arranging a sale. But the men’s lawyers claimed that the recording was a fake, and that the police had fabricated it by…
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FCC Considering Banning Transfer of Online Consent Forms
Editor’s note: this version was updated at 6:00 pm pacific to include a couple of paragraphs that were omitted from the original post. Also–HI to all the thousands of regular people coming to visit today. I get it–we ALL hate unwanted calls and texts. But destroying the infrastructure of connecting consumers with…
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Security audit of account and payment services
Assured AB were contracted to perform a security assessment of our account and payment services between 2022-11-07 and 2022-11-29.
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Valve bans 40k Dota 2 accounts using honeypot patch
Today, we permanently banned over 40,000 accounts that were using third-party software to cheat in Dota over the last few weeks. This software was able to access information used internally by the Dota client that wasn't visible during normal gameplay, giving the cheater an unfair advantage. While fixing the…
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Let's build a Chrome extension that steals as much data as possible
Today's adventure: DIY whole hog data exfiltration
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What is the randomart image for?
When you generate an SSH key (like I did when looking at signing commits with SSH keys ), you get a “randomart image” from ssh-keygen . These things:
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Down the Cloudflare / Stripe / OWASP Rabbit Hole
I found myself going down a previously unexplored rabbit hole recently, or more specifically, what I thought was "a" rabbit hole but in actual fact was an ever-expanding series of them that led me to what I refer to in the title of this post as "6 rabbits deep"
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Mozilla solves the Manifest V3 puzzle to save ad blockers
Google Chrome's new platform for extensions, Manifest V3, threatens to limit the functionality of ad blockers. Firefox has found a way around this problem. Read how.
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Unpacking the Benefits of Zero Trust Architecture as Defined by NIST
NIST has released a draft of SP 1800-35 , Implementing a Zero Trust Architecture. The lengthy documents lay out their definition of Zero Trust Architecture (ZTA) , the benefits, why it’s important, a few examples of how an organization can implement them, expected results associated with their example builds, and a…
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Curl audit: How a joke led to significant findings
In fall 2022, Trail of Bits audited cURL, a widely-used command-line utility that transfers data between a server and supports various protocols. The project coincided with a Trail of Bits maker week, which meant that we had more manpower than we usually do, allowing us to take a nonstandard approach to the […]
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Cloudflare mitigates record-breaking 71M request-per-second DDoS attack
This was a weekend of record-breaking DDoS attacks. Over the weekend, Cloudflare detected and mitigated dozens of hyper-volumetric DDoS attacks. The majority of attacks peaked in the ballpark of 50-70 million requests per second (rps) with the largest exceeding 71 million rps
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Google’s fully homomorphic encryption compiler – a primer
Back in May of 2022 I transferred teams at Google to work on Fully Homomorphic Encryption (newsletter announcement). Since then I’ve been working on a variety of projects in the space, including being the primary maintainer on github.com/google/fully-homomorphic-encryption, which is an open source FHE compiler for…
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The retaliation: Pranking my roommate with targeted Facebook ads (2014)
Ghost Influence by Brian Swichkow2023335 points75 commentscited by 37Society, Policy & Culture details
This is the chronicle of the most epic retaliation and how I pranked my roommate with targeted Facebook Ads to the point of complete paranoia and delusion.
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How to get a heart attack while using JEB decompiler (2022)
Finding RCE during deobfuscation in JEB decompiler running on Java 18.
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The Online Safety Bill: An attack on encryption
The Online Safety Bill has some genuinely good intentions, but the proposed legislation is remarkably poor.
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OpenSSH Pre-Auth Double Free – Writeup and Proof-of-Concept
Understanding the OpenSSH CVE-2023-25136 high vulnerability. Read our analysis with Proof-of-Concept, learn what's vulnerable, and discover remediations.
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Can sanitizers find the two bugs I wrote in C++?
A few days ago I published a short post about two bugs I wrote while developing the C++ external scanner for my TLA⁺ tree-sitter grammar. Reactions were mixed! Many people were supportive, but there were of course the usual drive-by claims by developers that the bugs were trivial, they would’ve found & fixed them…
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