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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Taggart :donor: @mttaggart@infosec.exchange
Public
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
Public

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
Public

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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Paul Kater @paulk@writing.exchange
Public

Meta allegedly buried research showing its products are harming users

engadget.com/social-media/meta

Gosh. Who'd have thought that...

"...people who stopped using Facebook experienced less depression, anxiety and loneliness."

Meta allegedly buried research showing its products are harming users

Meta has been accused of burying research showing its platforms are bad for users mental health.

www.engadget.com · Engadget

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JuneSim63 @junesim63@mstdn.social
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This is obscene. The vile Shabana Mahmood has confirmed the new immigration rules will be retrospective.

"Under the incoming rules they will have to wait 20 years after they arrived before they can apply for settlement. It means more than 10,000 refugees who were set to qualify for settlement next year will now have to wait a further 15 years before they can settle"

thetimes.com/article/6f8338d1-

Refugees who were months away from settlement now face 15-year wait

Shabana Mahmood’s asylum reforms will apply retrospectively, it has been confirmed — and it is claimed the bureaucracy will cost up to £1.3bn

www.thetimes.com

stephen ryner jr. 🦉 @nuthatch@infosec.exchange
Public
Shared by Quincy

@junesim63 “Shabana Mahmood was born in Birmingham, the daughter of Zubaida and Mahmood Ahmed. Her parents are of Pakistani origin with roots in Mirpur, Azad Kashmir. From 1981 to 1986 she lived with her family in Taif, Saudi Arabia, where her father worked as a civil engineer on desalination. After that, she was brought up in Birmingham,” where she learned ladder-pulling I suppose

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JuneSim63 @junesim63@mstdn.social
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Shared by Quincy

This is obscene. The vile Shabana Mahmood has confirmed the new immigration rules will be retrospective.

"Under the incoming rules they will have to wait 20 years after they arrived before they can apply for settlement. It means more than 10,000 refugees who were set to qualify for settlement next year will now have to wait a further 15 years before they can settle"

thetimes.com/article/6f8338d1-

Refugees who were months away from settlement now face 15-year wait

Shabana Mahmood’s asylum reforms will apply retrospectively, it has been confirmed — and it is claimed the bureaucracy will cost up to £1.3bn

www.thetimes.com

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Initiative Hamburg Werbefrei @hhwerbefrei@bewegung.social
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Shared by Quincy

Eine Million Menschen werden am Hamburger Hauptbahnhof täglich dem Programm der Privatfirma ausgesetzt.

Jetzt soll ein 38x9 Meter großer 3D-Bildschirm dazukommen. Damit "Marken in Bewegung" kommen, anstatt dass der Bahnhof für uns Menschen funktioniert.

Gefragt wurde natürlich nicht.

absatzwirtschaft.de/the-whale-

„The Whale“: Ströer bringt größten 3D-Screen Deutschlands nach Hamburg

Ströer plant ein neues Highlight im Digital-Out-of-Home-Markt: 2026 wird im Hamburger Hauptbahnhof der größte 3D-fähige Screen Deutschlands installiert. Ein 342 Quadratmeter großes Display, das Marken in Bewegung bringt.

www.absatzwirtschaft.de · absatzwirtschaft

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