Hacker News Daily — October 5, 2026

30 stories · October 5, 2026

Plus This issue is new — delivery and download are for Plus until it ages into the free archive.

In this issue

1

Denmark Data Breach Exposes 8.8M People's Personal Data

cpr.dk · 444 points · Discussion

Det Centrale Personregister (CPR) har konstateret en alvorlig sikkerhedshændelse. Ved at misbruge en dansk virksomheds lovlige adgang til at søge oplysninger i CPR-systemet, har uvedkommende skaffet…
2

Web Search API

developers.cloudflare.com · 413 points · Discussion

Web Search API is now available in beta. Web Search API lets your AI agents and applications search the Internet and ground their responses in live information, instead of guessing URLs or relying on…
3

Pixel 11 doesn't yet meet the GrapheneOS security standards and may be skipped

discuss.grapheneos.org · 379 points · Discussion

Read via the links — full text wasn’t available.
4

Anthropic reported diary entry to police, woman faces felony charge

techspot.com · 365 points · Discussion

Serving tech enthusiasts for over 25 years. TechSpot means tech analysis and advice you can trust. What just happened? Another incident has taken place that illustrates the need to be…
5

In the wake of Tippett Studios’ closure, a digital archive appears online

filmstories.co.uk · 237 points · Discussion

https://archive.org/details/tippett-archive/
6

OpenAI "rogue" agent activities found on Wikimedia projects

diff.wikimedia.org · 225 points · Discussion

Recently, multiple organisations have disclosed how clusters of so-called “rogue” AI agents attempted to break into websites and online services, sometimes successfully. Agents from OpenAI’s…
7

Mold Linker Version 3.0.0 Release – Rewritten in Rust

github.com · 213 points · Discussion

mold 3.0.0 is a new major release of the high-speed linker. As we announced in the 2.42.1 release notes, we have rewritten mold from C++ to Rust, and this is the first release of the Rust version.…
8

The technology to eradicate mosquito-borne disease exists

worksinprogress.co · 212 points · Discussion

Most Americans think of mosquito-borne diseases such as malaria, yellow fever, and dengue as problems that affect people in other countries, not their own. Until recently, they would have been largely…
9

US closely monitoring case of lab worker who possibly died of plague in Siberia

theguardian.com · 186 points · Discussion

The US secretary of state, Marco Rubio, has said the US is closely monitoring the case of a Russian laboratory worker who died last week after a reported accident at a plague research institute in…
10

Huawei and Qualcomm announce broad patent license agreement

huawei.com · 163 points · Discussion

https://www.bloomberg.com/news/articles/2026-10-05/qualcomm-...
11

Beam: Reflection's 501B open-weight model

reflection.ai · 157 points · Discussion

We are introducing Beam, Reflection’s first open-weight model. Beam is a sparse Mixture-of-Experts model with 501 billion total parameters, 23 billion active, built for coding, reasoning, and agentic…
12

Why Plain Text Is Still One of the Best Technologies We Have

deadparrotbbs.com · 136 points · Discussion

There are not many computer file formats I would trust to still be readable fifty years from now, but plain text is one of them. That may sound like faint praise. A text file cannot embed a…
13

The future of independence is interdependence

onlys.ky · 129 points · Discussion

The future of independence is interdependence — 0:00 15:03 I spend most of my life in one room. At first glance, that may not sound much like independence. I cannot easily walk through my house. I…
14

Differences Between `Foldl` and `Foldr`

blog.haskell.org · 119 points · Discussion

Differences between `foldl` and `foldr` Alexis King September 25, 2026 [ Deep Dives ] Editor's note: This article is a reproduction of a seminal explanation of the differences between foldr and foldl,…
15

Making a GTK application in Haskell, part 1

floreal.tech · 109 points · Discussion

In this series, we are going to build a todo-list application using Haskell, GTK 4, and the Adwaita library. Adwaita will provide us with many useful widgets and styles. Let's dive in! This series'…
16

2026 Nobel Prize in Physiology or Medicine: Deisseroth, Hegemann, Nagel

nobelprize.org · 92 points · Discussion

https://www.nobelprize.org/prizes/medicine/2026/press-releas...
17

Martian chaos terrain

en.wikipedia.org · 83 points · Discussion

From Wikipedia, the free encyclopedia The planet Mars has distinctive areas of chaos terrain, a topography unlike any on Earth. Chaos terrain generally consists of irregular groups of large blocks,…
18

Norway Eyes Partial Ban of Smart Glasses

barrons.com · 73 points · Discussion

Read via the links — full text wasn’t available.
19

One person is now a quorum at the SEC

ft.com · 72 points · Discussion

Read via the links — full text wasn’t available.
20

Linux containers in 500 lines of code

blog.lizzie.io · 72 points · Discussion

1 "Linux User Namespaces Might Not Be Secure Enough" by Erica Windisch: If a (real) root user has had the SYS_CAP_ADMIN capability removed, but then creates a user namespace, this capability is…
21

Beating the Compiler (2024)

mattkeeter.com · 55 points · Discussion

In modern times, everyone knows that writing assembly is a fool's errand: compilers are the result of literal engineer-centuries of work, and they know the processor much better than you do. And yet –…
22

GitHub Actions Has Problems

githubstatus.com · 50 points · Discussion

Update Actions is experiencing degraded availability. We are continuing to investigate. Posted Oct 05, 2026 - 20:47 UTC Update We’re continuing to investigate job failures and delays affecting…
23

Show HN: Nightwatch – a Mac menu-bar app that tells you when tonight is clear

github.com · 48 points · Discussion

Here in the north of England clear nights are at a premium, and it's never guaranteed that you'll be able to see anything but cloud. That's why I developed Nightwatch, so that I could be notified when…
24

Greenvolt begins building 600 MW/2.4 GWh BESS in Poland

ess-news.com · 41 points · Discussion

Greenvolt Group has started construction of a 600 MW/2.4 GWh battery energy storage system (BESS) in Poland, with commercial operations targeted for the end of 2027. Greenvolt Power has started…
25

Competitive Programmer's Handbook (2018) [pdf]

cses.fi · 40 points · Discussion

Read via the links — full text wasn’t available.
26

The mental health of young men is declining. Experts warn it could get worse

cbc.ca · 29 points · Discussion

Young men are struggling. Can Canada fix the problem? Canadian men and boys are facing an escalating societal crisis as their rates of depression, anxiety and addiction rise. For The National, CBC's…
27

The Future of Mathematics

terrytao.wordpress.com · 25 points · Discussion

[This is a guest post by Jeremy Avigad. This blog post was initially written in a different file format and converted using AI. — T.] “Mathematics underwent, in the nineteenth century, a…
28

After bankruptcy, he was banned from sports betting sites. Then he found Kalshi

npr.org · 23 points · Discussion

During the pandemic, Thomas thought he would give DraftKings and FanDuel a try. Before long, he formed a habit. "I could have ten drinks one night and then be fine with not drinking again for a year,"…
29

How to save a life without knowing CPR

bookofjoe2.blogspot.com · 14 points · Discussion

Yes, it's a wonderful thing to know and use CPR in an emergency such that an individual who might have otherwise died survives. But let's face it: few people know what to do and even fewer do it when…
30

Hot Flashing Guide Rev. 2.0 (2004)

archive.techarp.com · 9 points · Discussion

BIOS Updates You are all familiar with term ' flashing the BIOS ', right? I'm pretty sure you have all done it at least once or twice. But for those unfamiliar with the term, here is a short…