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Show HN: We post-trained a model that pen tests instead of refusing your code
I’m Dimitrios at Cosine. Quick orientation first: the read-only scan is free and you can run it right now: that’s the part to try. The pen-test mode is gated behind written authorisation, because it’s live offensive testing against real systems; I’ll explain that below, it’s not a paywall thing.

The reason `cos` exists: most “AI security” tools wrap a general model, so they inherit its refusals — point one at a real offensive task and it hedges or declines, b … ⌘ Read more

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Ruby Fights Supply-Chain Attacks With Filter Offering ‘Cooldown’ Before Installing New Packages
Most supply-chain attacks using Ruby’s package hosting site “exploit a narrow window,” according to a new blog post form Ruby core maintainer Hiroshi Shibata.

So its packaging-managing Bundler tool now offers a filter that blocks new version until it’s been public “for at least N … ⌘ Read more

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Ladybird Browser Stops Accepting Public Pull Requests
The Ladybird browser isn’t opposed to AI coding tools, but it’s just brought a new change to their code-contributing policies.

February 23: “Ladybird adopts Rust, with help from AI.”
I used Claude Code and Codex for the translation. This was human-directed, not autonomous code generation. I decided what to port, in what order, and what the Rust code should look like. … ⌘ Read more

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In-reply-to » @movq Related reading (if you're interested): Let's Talk about LLMs by James Bennett

@itsericwoodward@itsericwoodward.com That DORA quote is 🤯 — and it perfectly explains why AI coding tools terrify me in certain contexts. Dropping Copilot into a codebase full of technical debt isn’t gonna fix the debt, it’s just gonna write more of it faster 🤣 Fred Brooks would be nodding his head right now 🙏

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In-reply-to » @movq Related reading (if you're interested): Let's Talk about LLMs by James Bennett

(#xbh2sbq) @itsericwoodward@itsericwoodward.com That DORA quote is 🤯 — and it perfectly explains why AI coding tools terrify me in certain contexts. Dropping Copilot into a codebase full of technical debt isn’t gonna fix the debt, it’s just gonna write more of it faster 🤣 Fred Brooks would be nodding his head right now 🙏

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Bees Can Use Tools To Solve Problems, Study Finds
An anonymous reader quotes a report from The Guardian: Bumblebees can use tools to solve a problem, according to experiments that demonstrate their remarkably advanced cognitive abilities. The bees were given an adapted version of an experiment that, 100 years ago, first demonstrated chimpanzees could work out how to retrieve an out-of-reach banana by stacking boxes. Since … ⌘ Read more

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Backrooms’ Kane Parsons Rejects AI After Martin Scorsese Embraces Its Use
Backrooms director Kane Parsons says generative AI takes away the creative satisfaction he finds in filmmaking. His comments arrive as some major Hollywood figures are moving in the opposite direction. The debate around AI in movies continues to divide filmmakers. While some directors see AI as a useful production tool, Parsons has shared that he […]

The post [Backrooms’ Kane Parsons Rejects AI … ⌘ Read more

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EU Plots To Abandon US Tech
Ancient Slashdot reader whitroth shares a report from Politico, with the caption: “shutting down Microsoft Office for the International Criminal Court (ICC) was clearly a wake-up call.” From the report: The EU is moving to counter American dominance in technology by reaching for one of the oldest tools in its arsenal: industrial strategy. As the European Commission unveiled a plan Wednesday to reduce Europe’s reliance … ⌘ Read more

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Microsoft Plans Linux Tools, RTX Spark Desktop For Windows Devs
An anonymous reader quotes a report from Ars Technica: Microsoft’s Build developer conference kicked off today, and as with almost everything the company has done in the last few years, Microsoft’s opening keynote focused overwhelmingly on AI and other closely related technologies. […] On the hardware front, we didn’t get any updates for existi … ⌘ Read more

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[$] BPF in the agentic era
Alexei Starovoitov gave “less of a presentation, more of a scream of
realization” at the BPF track of the 2026
Linux Storage, Filesystem,\
Memory-Management, and BPF Summit. He shared a set of ideas for how BPF could
change to avoid being swept away by the sea-change in programming represented by modern
large language models (LLMs) and the coding agents based on them.
In a follow-up session, the discussion covered
more problems with how coding agents use tools … ⌘ Read more

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Tridgell: rsync and outrage
Andrew Tridgell has written a blog\
post responding to complaints that he has begun using LLM tools in
his work maintaining rsync:

Like many developers of open source packages I’ve been hit by a
flood of security reports lately in my role as the rsync
maintainer. Many of those reports are AI generated (not all though,
there are some notable ones with very careful and high quality manual
analysis).

As t … ⌘ Read more

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Anthropic Invites EU To Access Mythos
An anonymous reader quotes a report from Politico: Anthropic has extended an invitation to the European Commission granting the EU’s cyber agency access to its powerful AI hacking tool Mythos, according to a Commission official familiar with the process. The AI firm made the formal invitation after a meeting with the Commission in San Francisco last Thursday, the official said, adding the EU now has to p … ⌘ Read more

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Linux 7.2 Proceeding To Deprecate AF_ALG Due To “Massive Attack Surface”, Drops Offloading
The Linux kernel’s AF_ALG interface for user-space applications to directly access the Linux kernel’s built-in cryptographic engine is proceeding with a quick deprecation cycle due to a “massive attack surface” with increased vulnerabilities coming to light due to AI/LLM-based tooling… ⌘ Read more

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In-reply-to » Apologies to anyone who's seen an uptick in twtxt pings from me today... I've been working on shoe-horning my twtxt reader (TwtStrm) into my editor (TwtKpr, aka the express-twtkpr npm library), and it kind ran amok a few times. So again, sorry - I've added a minimum 10-minute cool-down period between pulls which should help (I hope 🙂).

@itsericwoodward@itsericwoodward.com Excited to see twtxt tooling in the Node ecosystem! Any plans to implement the Twtxt v2 extensions? Things like Twt Hash + Subject (proper threading), Multiline, etc. — all documented at https://twtxt.dev 👀

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Various USB Quirks Merged Ahead Of Linux 7.1-rc6
Ahead of the Linux 7.1-rc6 kernel due out on Sunday, this week’s round of USB fixes have been merged with various new device quirks added as well as some patches as a result of scanning tools… ⌘ Read more

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nenya - A lightweight, highly secure AI API Gateway/Proxy written in Go
A lightweight, zero-dependency AI API Gateway written in Go. Nenya sits between your AI coding clients and upstream LLM providers, adding secret redaction, context management, agent routing, and MCP tool integration — all with transparent SSE streaming. Security-hardened: non-root execution, mlock for secrets, seccomp + no-new-privileges. 1 points posted by Rafael Gumieri ⌘ Read more

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In-reply-to » @movq I'm very curious...

It’s one of the reasons in fact I’ve been working on bob so I have a very concrete and strong foundation for how these things work, how they behave and how bad or good they can be. I am on-purpose building bob to be not only a decent coding tool and general task completion tool, but with serious security boundaries, sanitation, auditing and compliance. If I’m going to succeed at building autoonmous agents that can cope with a wider array of varying inputs (mostly natural language, some structural language) then it needs to be both a) Safe and b) Robust

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In-reply-to » @lyse Thanks! There are a few points in there that I’ll add to my list.

@bender@twtxt.net Now that’s an interesting philosophical viewpoint right there. But this assumes that the “AI” we seemingly have available to us today is actually telligent, understands and has cognitive reasoning. It does not. All of these LLM models from big-tech companies like Anthropic, OpenAI, Google, Microsoft, Meta and Alibaba are all just very powerful, very large multidimensional neural networks with attention that are very good at statistical probabilities of ‘what comes next”. I think we get really upset over the wrong things sometimes. We need to continue to be upset that these 🤬 companies have basically destroyed any meaningful value of the concept of Copyright and Intellectual Property and Works of art. The so-called “AI” we have today is just a tool. Can you say for certain that the typewriter and the computer ruined our ability to write? Perhaps yes, but we still learn how to do so, likewise, I still think that learning to write code, research, read and write are all valuable skills to learn. Later on once you have the basics, you can defer some of the “tedious” work to these models, because frankly, they’re far better at inferencing and pattern matching than you or i will ever be, not because they’re better at pattern-matching per se, but because they have been trained on a very large corpus and they are much much faster at doing the same basic things we are far superior at.

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Show HN: AISlop, a CLI for catching AI generated code smells
Hi, I’m Kenny, I’ve been building aislop. I starting working on this after using Claude Code, codex and opencode several times and noticing some slops. They aren’t syntax and passes most tests, they are patterns like empty catch blocks, useless comments, duplicated helpers, dead code and many more. So I built a tool to scan and check for these patterns and wired it into hooks so after each tool call, the agent checks for the slops.

You can try it out with npx aislop sca … ⌘ Read more

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Anthropic Releases Opus 4.8 With New ‘Dynamic Workflow’ Tool
Anthropic has released Claude Opus 4.8 with stronger performance and better handling of uncertain or flawed data, including a greater tendency to flag issues rather than make unsupported claims. The update also introduces a “Dynamic Workflows” research preview for coordinating complex tasks across many subagents. TechCrunch reports: Opus 4.8 comes with the expec … ⌘ Read more

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[$] LWN.net Weekly Edition for May 28, 2026
Inside this week’s LWN.net Weekly Edition:

  • Front: Dirk and Linus talk; BPF and GCC; private memory modes; BPF page-cache policies; major page faults; LLM kernel review; tiered-memory support; transparent huge pages; page mappings; Model Openness Tool.

  • Briefs: Stenberg security stress; GTK PDF problems; Morton 2004 keynote; OpenBSD 7.9; Bambu’s AGPLv3 violations; Quotes; …

  • [Announcements](https://lwn.net/Ar … ⌘ Read more

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[$] MOT: a tool to fight openwashing in AI
Many large language models (LLMs) are described as open source, but
if one looks a bit deeper it turns out that is not actually so; the
model may be free to download, it may be “ open weight”, but it
does not fit the Open Source\
Initiative (OSI) Open Source\
Definition (OSD). Assessing the actual openness of models is not
easy, as Arnaud Le Hors explained in his talk about the [Model Openness T … ⌘ Read more

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Intel Working On pmtctl Tool For Linux In Dealing With Platform Telemetry Data
A set if 17 patches were posted today to the Linux kernel mailing list for introducing a new tool in the kernel source tree, pmtctl. This new pmtctl tool is for interfacing with Intel Platform Monitoring Technology… ⌘ Read more

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AI ‘capability leap’: 80% of software developers now using it
Late last year, AWS senior engineer Mike Nooney noticed a flurry of activity on social media that indicated something exciting had happened in his field: AI had taken what we described as a “capability leap”.

“So, I thought, let’s get in and have a look at Claude Code and some of the other tools,” he recounted to an audience at last week’s Techweek26 summit. ⌘ Read more

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AMD (Xilinx) is Excluding Linux From the Free Tier For Its FPGA Dev Tool
Long-time Slashdot reader Sun writes:

AMD has announced a change to the way they are licensing Vivado, their FPGA development tool… Hidden between the lines of the announcement [of a new model starting with the 2026.1 release] is the change to the free of charge tier. AMD is adding more devices to be supported in this tier, … ⌘ Read more

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Intel’s Latest Round Of Open-Source Projects Ended: OBS Studio Plugin, CVE Binary Tool & More
With Intel having been one of the most dominant open-source contributors for years across the software ecosystem, months after they began sunsetting various software projects no longer aligned with today’s Intel, they continue formally sunsetting/archiving different open-source projects… ⌘ Read more

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FreeBSD 15.1-RC1 Released: Fixes With Now Seeing More AI-Discovered Security Issues
In addition to the recent influx of Linux security vulnerabilities affecting Linux, FreeBSD has also begun receiving security reports via AI/LLM-driven discovery tools. FreeBSD 15.1-RC1 is out today ahead of the planned official release in June and it brings a handful of security fixes out of this new AI-driven security research space… ⌘ Read more

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This Cannes Film Cost $500,000 to Make. $400,000 Was AI Compute Costs.
Higgsfield AI is debuting a 95-minute fully AI-generated film at Cannes called “Hell Grind” that reportedly cost $500,000 to make, $400,000 of which was spent on compute alone. The project took just two weeks to produce and is intended to showcase the startup’s AI production tools. But it also underscores the current limits of AI f … ⌘ Read more

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‘Creepy’ Listening Tool for Targeted Ads Didn’t Actually Work, FTC Says
Three firms will pay nearly $1 million for selling “Active Listening” technology that they claimed tapped people’s phones for advertising. The FTC alleges the “tech” was just pricey email lists. ⌘ Read more

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