What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

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Watchful Citizen @watchfulcitizen@goingdark.social
Public
Shared by Quincy

@GrapheneOS is being threatened by French authorities for refusing to add backdoors and they're dealing with coordinated attacks in French media right now. They're pulling out of France entirely, moving all their servers, and fighting off a wave of bullshit one-sided reporting that makes them look like they're helping criminals.

They need us to fight back. Support them however you can, whether that's a dollar, sharing their story, pushing back on the garbage news coverage when you see it, or just telling someone you know about what's happening. All of it matters because they're drowning in attacks from governments and media and bad actors who want them gone.

This is the only Android OS that actually makes me feel like privacy isn't just marketing. They fight for us now they need us to fight for them.

The EU is pushing Chat Control and creating an environment where governments feel empowered to threaten developers into compliance, and if we stay quiet we're letting it happen. Show up for them in whatever way you're able to.

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Hacker News 100 @hn100@social.lansky.name
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X Just Accidentally Exposed a Covert Influence Network Targeting Americans

Link: weaponizedspaces.substack.com/
Discussion: news.ycombinator.com/item?id=4

X Just Accidentally Exposed A Vast Covert Influence Network Targeting Americans

How a new X feature led to the most sweeping public exposure of covert foreign activity on a major platform since 2016.

weaponizedspaces.substack.com

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Point-Free @pointfreeco@hachyderm.io
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No episode this week, but we are running our BLACK FRIDAY 30% OFF sale! Sneak peek of what's in store for 2026:

* Composable Architecture, 2.0
* Basic to basics: Concurrency
* Modern dependencies
* Back to basics: Generics
* Cross-platform Swift

pointfree.co/blog/posts/191-bl

BLACK FRIDAY: Save 30% on Point-Free

We’re offering a 30% discount for the first year of a new Point-Free subscription! Get instant access to all past 303 episodes instantly, as well as access to everything we have planned for 2026.

www.pointfree.co

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Taggart :donor: @mttaggart@infosec.exchange
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Shared by Cat 🐈🥗 (D.Burch) :blobcatrainbow:

This attack uses web push notifications to send legit-looking alerts to users, sending them to phishing pages. The push notification API gives attackers significant visibility into the target's web browser.

Probably should have notifications disabled by default anyway.

blackfog.com/new-matrix-push-c

Matrix Push C2

New Matrix Push C2 Abuses Push Notifications to Deliver Malware | BlackFog

Investigating Matrix Push C2, using push notifications to deliver malware, run phishing campaigns, and steal data across platforms.

www.blackfog.com · BlackFog

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Fedi.Video @FediVideo@social.growyourown.services
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video accounts to follow:

➡️ @jan_beta - Repairing retro computers/tech, esp. Amiga
➡️ @johnny_blanchard - Old computers & consoles, esp. rare stuff
➡️ @rees - News & features on retro computing/gaming, esp. Atari
➡️ @morefunmakingit - Retro tech restorations, esp. ZX Spectrum & Commodore 64
➡️ @root_42 - Repairing old computers, gadgets, also MS-DOS programming
➡️ @topazrabbitTopaz 🐇 📹 - Retro computing, esp. Amiga
➡️ @vwestlife_makertubeVWestlife - Classic old tech incl. computers

🧵 1/3

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Andrew Zonenberg @azonenberg@ioc.exchange
Public

Fun low level problem: I have two different processors, of different architectures (Cortex-M33 and Cortex-A35). One is 32 bit ARMv7-M, the other aarch64.

They communicate through (among other things) shared access to an internal SRAM that you can use for shared variables, mailbox buffers, etc.

These SRAMs are mapped at the same address on both systems (but obviously zero-padded on the high side on the aarch64 processor).

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Voltaic Bitch @trysdyn@electric.marf.space
Public
Shared by Chris Siebenmann

Someone sent vee the most amazing study on a pediatric hospital contacting professional racing pit teams and asking them to advise on drafting a handoff procedure for ICU patients of the highest concern between wards.

And Ferrari and Williams went "You all are babies, let us show you how it's done" and cut the error rate in handoffs by like 20% and generally found that you need less training, not more, to do it correctly despite having a faster, more detailed protocol.

This is my shit, so much.

Edit: The link to the article is in a reply to prevent masto-hugging the host but people seem to not be seeing it: https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1460-9592.2006.02239.x

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Phoronix @phoronix@masto.ai
Public
Shared by pkg update

Dell Pro Max with GB10 Arrives For Linux Performance Benchmarking

The most exciting hardware to arrive this month in the Phoronix lab is Dell having sent over two of their new Dell Pro Max with GB10 systems. The Dell Pro Max with GB10 is their build-out around NVIDIA's GB10 superchip with ten Cortex-X925 CPU cores and ten Cortex-A725 cores plus the GB10 Blackwell GPU. With 128GB of LPDDR5X memory and 2TB or 4TB SSD by default all within…
phoronix.com/review/dell-pro-m

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Hacker News 50 @hn50@social.lansky.name
Public

X Just Accidentally Exposed a Covert Influence Network Targeting Americans

Link: weaponizedspaces.substack.com/
Discussion: news.ycombinator.com/item?id=4

X Just Accidentally Exposed A Vast Covert Influence Network Targeting Americans

How a new X feature led to the most sweeping public exposure of covert foreign activity on a major platform since 2016.

weaponizedspaces.substack.com

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상어학산타 :spinny_cat_gay: @thx@mustard.blog
Public

이게 유튜버라고 해도
무슨 유튜버로 활동하느냐에 따라
이미지가 달라지고
이게 플랫폼으로 넘어가도
치지직 같은 건 그럴 수 있다 쳐도
성인방송 이런 거 하는 건......

여튼 제가 하고 싶은 말은
인터넷 방송인도
다양한 층위가 있다는 거죠

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Chris Heilmann @codepo8@toot.cafe
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Asking LLMs to give you information as a poem leads them to give out information they shouldn't.
Adversarial Poetry as a Universal Single-Turn Jailbreak Mechanism in Large Language Models arxiv.org/abs/2511.15304
U2 called it, every poet is a thief.

arXiv logo

Adversarial Poetry as a Universal Single-Turn Jailbreak Mechanism in Large Language Models

We present evidence that adversarial poetry functions as a universal single-turn jailbreak technique for Large Language Models (LLMs). Across 25 frontier proprietary and open-weight models, curated poetic prompts yielded high attack-success rates (ASR), with some providers exceeding 90%. Mapping prompts to MLCommons and EU CoP risk taxonomies shows that poetic attacks transfer across CBRN, manipulation, cyber-offence, and loss-of-control domains. Converting 1,200 MLCommons harmful prompts into verse via a standardized meta-prompt produced ASRs up to 18 times higher than their prose baselines. Outputs are evaluated using an ensemble of 3 open-weight LLM judges, whose binary safety assessments were validated on a stratified human-labeled subset. Poetic framing achieved an average jailbreak success rate of 62% for hand-crafted poems and approximately 43% for meta-prompt conversions (compared to non-poetic baselines), substantially outperforming non-poetic baselines and revealing a systematic vulnerability across model families and safety training approaches. These findings demonstrate that stylistic variation alone can circumvent contemporary safety mechanisms, suggesting fundamental limitations in current alignment methods and evaluation protocols.

arxiv.org · arXiv.org

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Tim Chase @gumnos@mastodon.bsd.cafe
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I use the following rule of thumb:

cron: use it if I want a task to *repeat* on a schedule (or at boot)

at: use it if I want to run a job *once* at some absolute imprecise time (IIRC, at has a 5min resolution) in the future

sleep $(( 60 * 5 )) && cmd: use it for a task I want to run *once* relative to the current time

systemd timers: avoid anything systemd to the best of my ability

😉

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Chris Heilmann @codepo8@toot.cafe
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The future of AI browsing may depend on developers rethinking how they build websites the-decoder.com/the-future-of-
New non-standard elements: <tool> and <context> to avoid AI browsers scanning and (mis)interpreting the HTML. You know, that could be a standards proposal

The future of AI browsing may depend on developers rethinking how they build websites

Researchers at TU Darmstadt have introduced the VOIX framework, giving websites two new HTML elements so AI agents can recognize available actions without having to visually interpret complex user interfaces.

the-decoder.com · THE DECODER

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