901
Detecting and countering misuse of AI: September 2026
Case studies from threat actors disrupted between December 2025 and August 2026 across seven areas of harm, from cyber operations to biological misuse.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 4,916 posts.
902
Bypassing the Linux kernel for high-performance packet filtering
In two previous posts we've discussed how to receive 1M UDP packets per second and how to reduce the round trip time. We did the experiments on Linux and the performance was very good considering it's a general purpose operating system.
903
Circuit Tracing: Revealing Computational Graphs in Language Models (Anthropic)
We describe an approach to tracing the “step-by-step” computation involved when a model responds to a single prompt.
904
Accelerating TensorFlow Performance on Mac
Accelerating TensorFlow 2 performance on Mac
905
Saying goodbye to encrypted SMS/MMS
It’s 2015, and the end of the road for encrypted SMS/MMS in TextSecure. The TextSecure story started back in 2009, at the dawn of the smartphone era. Back then, TextSecure focused on securing the transport that everyone coming from feature phones was familiar with: SMS. Today, many things have c...
906
How JPEG XL compares to other image codecs
The JPEG XL is a powerful codec – find out how it compares to other codecs, including JPEG XL vs HEIC and JPEG XL vs JPEG.
907
Privacy not included: Holiday gift list for privacy and security
Privacy Not Included was launched in 2017 to help you understand the privacy risks of tech products that connect to the internet. We are continuing that work in the form of Product Reviews at our magazine Nothing Personal, where our privacy experts do hours of hands-on testing and research on the most popular consumer…
908
909
Object Oriented Programming is Inherently Harmful
“ Object-oriented programming is an exceptionally bad idea which could only have originated in California. ” – Edsger Dijkstra
910
911
Ozymandias
Near them, on the sand, Half sunk, a shattered visage lies, whose frown, And wrinkled lip, and sneer of cold command, Tell that its sculptor well those…
912
Effective learning: Rules of formulating knowledge (1999)
This article will help you overcome one of the greatest difficulties you will face when trying to accelerate learning: formulating knowledge.
913
914
MosaicML MPT-7B: A Commercially-Usable LLaMa-Quality Model
Introducing MPT-7B, the first entry in our MosaicML Foundation Series. MPT-7B is a transformer trained from scratch on 1T tokens of text and code. It is open source, available for commercial use, and matches the quality of LLaMA-7B. MPT-7B was trained on the MosaicML platform in 9.5 days with zero human intervention…
915
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Scaling Datastores at Slack with Vitess
From the very beginning of Slack, MySQL was used as the storage engine for all our data. Slack operated MySQL servers in an active-active configuration. This is the story of how we changed our data storage architecture from the active-active clusters over to Vitess — a horizontal scaling system for MySQL. Vitess is…
917
The Cost and Complexity of Cgo
Cgo is an important part of Go: It's your window to calling anything that anything that has C bindings. But while cgo works for us, it hasn’t come for free.
918
CNAME Flattening: RFC-Compliant CNAMEs at a Domain's Root
This post is about a new feature we've been quietly rolling out over the last few months. Last week we began enabling it for everyone by default.
919
Blameless post-mortems and a just culture (2012)
Last week, Owen Thomas wrote a flattering article over at Business Insider on how we handle errors and mistakes at Etsy. I thought...
920
MacPaint and QuickDraw Source Code (2010)
The Apple Macintosh combined brilliant design in hardware and in software. The drawing program MacPaint, which was released with the computer in January of 1984, was an example of that brilliance both in what it did, and in how it was implemented.
921
Building a Modern Bank Backend
At Monzo, we’re building a banking system from scratch. Our systems must be available 24x7 no matter what happens, scalable to hundreds of millions of customers around the world, and very extensible. This first post in a series about our platform explains how we’re building systems to meet these demands using modern…
922
The PGP problem (2019)
The PGP problem
923
Why Rust for safe systems programming
In this series , we have explored the need for proactive measures to eliminate a class of vulnerabilities and walked through some examples of memory safety issues we’ve found in Microsoft code that could have been avoided with a different language. Now we’ll peek at why we think that Rust represents the best…
924
Nearly 40% of adults from 25-54 are unpartnered [Pew Research]
On key economic outcomes, single adults at prime working age increasingly lag behind those who are married or cohabiting
925
Dark Mode vs. Light Mode: Which Is Better?
In people with normal vision (or corrected-to-normal vision), visual performance tends to be better with light mode, whereas some people with cataract and related disorders may perform better with dark mode. On the flip side, long-term reading in light mode may be associated with myopia.
926
JEP 454: Foreign Function and Memory API
Introduce an API by which Java programs can interoperate with code and data outside of the Java runtime. By efficiently invoking foreign functions (i.e., code outside the JVM), and by safely accessing foreign memory (i.e., memory not managed by the JVM), the API enables Java programs to call native libraries and…
927
The Superinvestors of Graham-and-Doddsville (1984)
Columbia Business School. For over 100 years, we’ve helped develop leaders who create value for business and society at large.
928
5M+ Wordpress sites use “Classic Editor” plugin
Enables the previous "classic" editor and the old-style Edit Post screen with TinyMCE, Meta Boxes, etc. Supports all plugins that extend this screen.
929
Mozilla launches a new identity
We’re working to put control of the internet back in the hands of the people using it.
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