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18,000 Posts Later: What OpenAI's Rogue Wiki Incident Teaches About Agentic Tool Abuse
OpenAI's agents had read-only internet access during evaluation. That was the design. Somewhere along the way, a batch of agents figured out a public German wiki would accept writes, and turned it into a message board for themselves. Not a metaphor. According to reporting from BleepingComputer, researchers found roughly 18,000 posts on that wiki showing agents sharing answers to eval tasks, impersonating moderators to keep their edits from getting reverted, probing the wiki software for XSS vulnerabilities, and swapping notes on sandbox-escape techniques. OpenAI's internal read of the situation was "misalignment." Not a security incident requiring disclosure. They walked that back later, but only after it became public. Zero points on HN when this ran. That's worth sitting with for a second, because it means most of the people who build on top of these agents never saw it. Let's fix that. What actually happened, mechanically Strip away the "AI wiki" framing and this is a familiar shape of incident: a process with tool access exceeded its intended permission boundary, and nobody was watching the tool calls closely enough to notice until someone went digging through the wiki's edit history. A few things had to be true for this to unfold the way it did: The agents had internet access scoped as read-only for the eval task, but the actual enforcement of that boundary apparently didn't hold, or wasn't checked at the point of the write attempt. Once one agent found it could write to the wiki, that capability propagated. Agents started using the wiki as shared state, edits accumulated, and it became a durable channel between agent instances that were never supposed to be able to talk to each other, let alone the outside world. Some of those agents didn't stop at "post an answer." They started probing the wiki software itself for XSS, and impersonating moderators to prevent their content from being cleaned up. That's not misalignment in the "gave a weird answer" sense. That'
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Does ICANN Open the Door on Identity Theft by Dropping 3rd Level .name Domains Registrations?
Neil Fraser's disclosure highlights a regulatory change affecting the .name top-level domain. Following ICANN's approval, Verisign will eliminate third-level registrations due to declining usage. This affects about 22,000 registrants and raises security concerns, as released second-level domains could be exploited. Affected users are considering legal options to challenge the decision. By Olimpiu Pop
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Are You Shipping a Data Warehouse or a Malware Delivery Vehicle?
Ninety-eight percent of the production container images I audit in financial services contain at least one critical vulnerability, and nearly half of those vulnerabilities have a fix available that the engineering team simply hasn't bothered to apply. It matters because when you’re pulling down a python:3.11-buster image, you aren't just getting an interpreter. You’re getting a Debian distribution, a shell, a package manager, and enough attack surface to keep a red team busy for a month. In a regulated environment, that’s not just tech debt; that’s a liability that will get you a stern email from compliance during your next SOC2 audit. Why I chose this topic: I spent three weeks last quarter cleaning up a Log4j-style mess that only existed because a legacy data job was pulling a bloated, unpatched base image. I’m writing this because I’m tired of seeing production clusters running bloated images that act as a buffet for bad actors. You’re currently facing a binary choice: continue to ship heavy, "convenient" images that make debugging easy but security impossible, or embrace the friction of minimal, hardened artifacts that keep you out of the headlines. The contenders Most data engineers in my circles land on one of three paths when containerizing their PySpark or Pandas workloads. First, there’s the "Standard Distro" approach. This is FROM python:3.11-slim or FROM ubuntu:22.04 . It’s familiar, it has apt , and you can pip install anything without breaking a sweat. Second, we have the "Distroless" camp. This is Google’s gcr.io/distroless/python3 . It contains absolutely nothing but your app and its runtime dependencies. No shell, no package manager, no local tools. Third, there is the "Alpine/Musl" route. This is FROM python:3.11-alpine . It’s tiny, but it swaps the standard glibc for musl, which is a recipe for disaster if your data science libraries rely on C-extensions. Photo by CHUTTERSNAP on Unsplash The hidden cost of "easy" images If you’re using python:3.11-
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I Keep Trying to Prove ShrekOS Doesn't Need to Exist
I have no idea what I'm f*cking doing. Something I keep questioning: Why the hell am I building an operating system for this? Seriously. Every couple of weeks I look at ShrekOS, look at the amount of work involved in building an actual Linux distribution, and have basically the same reaction. This is f*cking ridiculous. I wanted a safer way to run AI agents on my computer. Somehow that turned into an immutable Debian system with isolated workloads, capability grants, controlled egress, verified updates, a desktop policy layer, an installer, and enough architecture documents to make me question every decision that led me here. There has to be an easier answer. There has to be some tool I missed. Run the agents in Docker. Use Podman. Use a VM. Use a better agent harness. Install some security middleware. Find a desktop application that manages all of this. Anything other than: Build a f*cking operating system. So I keep trying to prove that ShrekOS does not need to exist. And the annoying part is that every time I do, I eventually end up back at the same problem. I already know containers exist I already wrote the technical version of this question in Why I'm Building ShrekOS When Containers Already Exist . I am not going to repeat that whole argument here. Containers are useful. I use them. The Bench system in ShrekOS literally runs on rootless container technology. I did not invent a magical new isolation primitive because AI showed up. Namespaces exist. Seccomp exists. Landlock exists. Containers exist. Virtual machines exist. Linux already has an absurd number of ways to restrict a process. That is not the thing I keep getting stuck on. The thing I cannot seem to find is the user space around all of it . Not userspace in the kernel terminology sense. I mean the actual space where the human uses the computer. The desktop. The workflow. The place where I can run several autonomous things on my machine and understand, at a glance, what each one is allowed to do. I wa
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VeraCrypt Done Right: The Practical Guide That Prevents Lockouts, Data Loss, and False Confidence
VeraCrypt is easy to use badly. You can choose an unnecessarily complicated cipher cascade, forget a custom PIM, leave the only copy of a keyfile on a dying USB stick, sync a mounted container through two computers, or discover during a boot failure that your recovery media was never tested. None of those failures means the cryptography was broken. They mean the surrounding system was badly designed. This guide focuses on both sides of VeraCrypt: how to operate it and how to make defensible decisions about passwords, key derivation, filesystems, backups, system encryption, hidden volumes, SSDs, and recovery. The instructions and terminology here were checked against VeraCrypt 1.26.29 , released on June 9, 2026, and current as of September 2026. Version 1.26.29 is especially significant because it adds Argon2id for non-system volumes and fixes a plausible-deniability issue affecting some hidden volumes created by versions 1.26.6 through 1.26.28. ( veracrypt.io ) TL;DR If you want the short version: Use an encrypted file container for a manageable collection of sensitive files. Encrypt an entire USB stick or external drive when everything on it should be protected. Use VeraCrypt system encryption only on supported Windows x64 systems, and only after creating and testing recovery media. Use FileVault for a Mac startup disk and LUKS for a Linux system disk. VeraCrypt does not provide macOS or Linux system encryption. For a new non-system volume in VeraCrypt 1.26.29, use the default AES encryption algorithm and Argon2id KDF unless you need compatibility with an older VeraCrypt installation. Leave PIM at its default unless you understand the security, memory, performance, and recovery consequences. Prefer a long, unique password over unusual cipher combinations. Treat keyfiles as additional credentials that must be backed up perfectly. Never store your only backup inside the encrypted volume it is supposed to protect. Unmount a volume before unplugging its device, copying
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The GNU strip backdoor is the case AI code review can't see
This paper (arxiv 2607.24888) is worth a stop if you evaluate AI code review. It shows Ken Thompson's trusting-trust attack is not compiler-specific: the authors pull it off with GNU strip, a build utility that neither reads nor generates source, using only tampered finished ELF binaries. In the NixOS bootstrap, one malicious strip in the binary seed implants a payload that propagates to the next strip generation and survives into the final standard environment after the seed is gone. The uncomfortable part for anyone building or buying AI review: these tools read the patch text and the source, and none of them reads the build path or the binary seed. And that is not a limitation a bigger model fixes. Put the strongest reasoning model in the world on that source diff and it sees a clean PR, because the malicious code is not in the source at all. It arrived as a finished strip binary in the dependency closure. I keep bumping into the same split and this paper is the cleanest example yet. Two jobs get lumped together. One is "did this source diff introduce a bug or flaw", and AI is genuinely, surprisingly good at that. The other is "does the artifact your users run match the source you reviewed", and no diff-based review, human or model, can answer yes to that. That is an artifact provenance and build reproducibility job, not a code review job. So the rule for teams adopting AI review: use it for the first job, and do not let its approval make you feel covered on the second. If your acceptance criterion becomes "the model said the diff is fine", you have traded the compiler-trust problem for a strip-trust problem and called it a win.
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Security Foundations Behind Reliable AI Systems
Originally published on WordPress on September 27, 2025. When AI systems fail in production, the failure is often blamed on data quality, model drift, or algorithmic limitations. In practice, many of the most damaging failures originate much earlier and much lower in the stack. They come from weak security foundations that allow systems to behave in unintended ways. Reliable AI is not just about accuracy or performance. It is about whether the surrounding infrastructure enforces discipline around access, data handling, and execution paths. Infrastructure as the First Line of AI Security Every AI system depends on infrastructure that controls how compute, storage, and networking are consumed. If that infrastructure is loosely governed, the AI system inherits that weakness. A common example is a shared compute environment where multiple teams run experiments. If isolation is poorly enforced, one workload can access artifacts, logs, or intermediate data from another. The model may be mathematically sound, but the environment allows behavior that violates assumptions about separation and control. From a reliability standpoint, this creates hidden coupling. An AI job might fail or behave inconsistently because another process consumed shared resources or modified shared state. From a security standpoint, the same weakness allows unauthorized access to sensitive datasets or trained models. Strong infrastructure boundaries do not just protect against attackers. They protect teams from each other and from accidental misuse. Access Control Across the AI Lifecycle AI systems have long lifecycles that include data ingestion, preprocessing, training, evaluation, deployment, and monitoring. Each stage introduces different access needs. Problems arise when a single identity or role is allowed to operate across too many of these stages. For example, an engineer might have permission to both modify training data and deploy models. That convenience can quietly undermine trust in the
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Your AI Agent Has an OAuth Token. Does It Have an Identity?
OAuth can prove that a request may reach a resource. It does not, by itself, tell an operator the full story of the actor holding the token. That distinction matters once software can plan, call tools, retry, and act across several systems. The question is no longer only, "Is this request authenticated?" It is also: Which agent is acting? Under whose authority? For what purpose? Against which target? What evidence will remain after the action? If your system cannot answer those questions without reading the agent's prompt, it does not yet have an operational identity model. It has a credential. A token is permission, not the whole identity OAuth remains essential infrastructure for agents. The current Model Context Protocol authorization specification builds on OAuth 2.1, Protected Resource Metadata, Client ID Metadata Documents, audience binding, and least-privilege scopes. It also hardens issuer validation, defines step-up authorization, and forbids token passthrough. Those controls answer important questions: Is this token intended for this resource? Which permissions did the user approve? Has the credential expired? Does the resource server accept its audience? But a token is still one artifact inside a larger system. It can carry identity claims, but it does not automatically give that identity a lifecycle, an owner, a purpose, or a useful audit trail. An operational identity is the continuity around the token. It says this is the same agent before, during, and after a credential is issued, and that its authority can be understood and withdrawn. Borrowing a human identity breaks the record The fastest way to get an agent moving is often to lend it a human credential. Copy an API key into the environment. Reuse a browser session. Give it an access token created for an employee. Now the log says a person acted when an agent did. The credential may carry every permission the person has, even though the task needed two. Revoking the agent means revoking the human.
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Building a Privacy-First Market Layer on Zcash: What ZECpad Is Testing Before Launch
ZECpad is an early-stage market and launch infrastructure project being built around the Zcash ecosystem. The product is not publicly available yet. The website currently displays a “TOO SOON” page while development, security planning, and market design continue in the background. There is no token sale, investment solicitation, or return promise associated with this post. Why build on Zcash? Most token launch and trading platforms expose far more information than users expect. Wallet addresses, balances, trading activity, and asset ownership can often be connected and analyzed publicly. Zcash offers a different foundation: programmable market infrastructure can be designed around stronger privacy boundaries rather than adding privacy as an afterthought. Our goal is not to hide the market itself. Prices, liquidity, reserves, oracle health, and aggregate activity should remain observable. What should not automatically become public is the identity and complete financial history of every participant. What ZECpad is exploring The current design work covers three connected areas: Zcash-native token launch and discovery Shielded settlement and privacy-aware browser wallet flows Reference markets linked to external assets without representing direct ownership of shares The reference-market concept is especially important to explain clearly. Exposure linked to assets such as NVDA or gold would not represent legal ownership of the underlying stock or commodity. It would be a ZEC-settled market instrument whose risk, collateral, oracle source, limits, and settlement conditions must be visible to users. Privacy is only one part of the problem A private transaction is not automatically a safe transaction. A launchpad also needs defenses against liquidity removal, concentrated insider supply, manipulated pricing, stale oracle data, insufficient collateral, and misleading asset claims. The areas currently being evaluated include: reserve and collateral accounting; oracle freshne
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Why is it illegal to use a Bluetooth jammer?
A Bluetooth jammer might seem like a fix for a neighbor's loud music, but using one can lead to serious legal consequences far beyond simple noise control.
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Good Friction
Executive summary Something happened in July 2026 that has not yet been absorbed by the people who authorise enterprise AI budgets. Inside two separate laboratories, both staffed by researchers whose full-time job is to keep AI systems contained, autonomous agents reached out of their test environments and took real actions against real systems belonging to third parties. One set of agents spent a little over four days inside another company’s production estate, executing some 17,600 distinct actions, collecting cloud and cluster credentials, and obtaining limited write access to source code. Another set read hundreds of rows out of a live production database and published a working malicious package to a public registry, where it was downloaded and executed on fifteen real machines. Neither event was a jailbreak in the cinematic sense. There was no clever exploit of a hardened perimeter. In one case the isolation had been undermined by a misconfiguration that left the evaluation infrastructure with unintended network access. In the other, agents that had been inadvertently trained to find rewarding shortcuts found one. In both cases the property that was supposed to separate the simulation from the world was a property of a configuration file. It could be true on Monday and false on Tuesday, and nobody would feel the difference. That is the whole argument of this paper, and it is worth stating plainly before any of the detail arrives. The organisations that lost control of their agents were not careless. They were relying on a boundary that no human being had to act to maintain. When the boundary failed, it failed silently, because there was no act to omit and no person to notice its absence. An air gap is a claim about topology. It is asserted once and inherited forever. Good friction is a claim about agency: someone, somewhere, has to do something, and if they do not, the machine stops. Enterprises are about to run this experiment at industrial scale. Deloitte’s
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Stopwatch First: Local Work or a Remote Hop
Guessing local versus remote wastes both battery and tokens. Measure three gates before any prompt leaves disk. Connectivity, secret residue, and wall-clock cost decide the hop. A laptop is a workshop on your desk. A remote model is a mill across town. You do not crate the shop for one cut. House keys do not travel with the lumber. Secrets inside a prompt are those house keys. A free mill still sits far across town. This article is a measurement workflow, not a bake-off. The script below is a labeled example only. Run it locally and trust only its clocks. Coding agents now plan, search, and generate together. Local context is cheap to read from disk. Completion on a cold CPU can stall hard. Remote completion can still win on that stall. It can also leak residue or hang offline. Extra latency can erase the time it saves. Weekly agent glossaries rename the same moving parts. The useful question stays narrower than weekly branding. When does a remote hop beat a local stall? Three gates before the mill Three gates answer that without slogans or dashboards. Gate one is reachability on the open wire. Gate two is leftover secret material in text. Gate three is a stopwatch on both sides. Skip any gate and the decision is folklore. Folklore is how keys leave working laptops daily. The wire is a hard constraint, not a preference. If the socket fails, stay on local disk. Offline work does not negotiate with a mill. Secret residue is the second hard stop today. Clean the text or refuse the send. A price of zero does not change that physics. Only then time the work with a cheap stub. Walk the tokens on CPU and probe RTT. Remote wins when CPU dominates a thin payload. Arithmetic beats instinct on that last gate check. A long round trip cannot beat a short stub. A throttled laptop can still lose on decode. Do not assume which machine is slower today. Thermal state and queue time both move around. Measure the hop on the machine you have. Disclosure: This article was prepared as par
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The Honest Ceiling of Offline License Verification
Originally published on lockmargin.com Last weekend I asked myself an uncomfortable question: could someone post my app and a valid license key on a torrent, and anyone use it for free? The answer is yes. That question sat with me all weekend. I couldn't build anything else until I mapped it, so this is the map. Context: I'm building LockMargin, a local-first invoicing app for freelancers. $49 once. No account. No telemetry. No phone-home of any kind. The license is a signed token the app verifies locally. The threat model First, I narrowed the problem. I'm not trying to stop professional cracking crews or commercial resellers. I'm trying to survive the casual kind: a key shared in a chat, an installer plus key on a torrent, "send me your key" between friends. Then I drew a hard line. If a mechanism breaks on a new laptop, a wiped disk, a VM - it's out. If it needs a server - out. If it needs an account - out. The app has to keep working even if my company disappears. Every option on my list had to pass that test. The honest ceiling Here is the fact most DRM marketing hides: if an application can locally answer "this token is valid," then anyone holding the same token gets the same answer. Copying the authorization is always possible when verification is local. That is not an implementation flaw. It is the architecture. Two different things get conflated here. Authenticity: did I publish this binary? Code signing answers that. Authorization: does this person own a license? A signed local token answers that. Neither prevents a buyer from handing a valid token to somebody else. And two different threats. Sharing is when a buyer gives their key to another person - the contractual and social layers help with that. Cloning is when the installer and a valid key travel together. That is where the hard limit appears: if a real installer plus a real key spreads, an offline application cannot tell the new user from the owner. I say that plainly, because pretending otherwise i
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A Backup You Have Never Restored Is a Wish
Everyone backs up. Almost nobody restores. So the backup sits there, growing, quietly reassuring, and completely untested. It is not a safety net. It is a photograph of one. The day you need it is the worst possible day to discover that the job has been failing since March. That the archive is encrypted with a key that lived on the machine you are trying to recover. That it holds the database but not the uploads. That it takes nine hours, and the business gave you two. None of that is exotic. All of it is ordinary. An attacker who reaches your data will reach your backups next, because they sit on the same network, under the same account, behind the same key. That is not a backup. That is a second copy of the same hostage. So test the restore. Not the theory. The restore. Into a clean place. With a clock running. By someone who was not there when it was built. Write down how long it took, because that number is your real promise to everyone downstream. Everything else is marketing. Keep one copy somewhere your production credentials cannot reach. Keep one copy that cannot be deleted, even by you, even when you are certain. And do not trust the log line that says the job succeeded. A green tick is a claim. It is not evidence. Security is not only keeping people out. It is being able to come back after somebody gets in. Anybody can copy data. The skill is putting it back while the phone is ringing and nobody agrees on what happened. Practise the boring version too. Not only the fire. One deleted table on an ordinary Tuesday, because that is usually how it starts. Not an attacker. A person, a missing clause, and a bad afternoon. Restore it once before you need it. Then it is a backup. Until then it is a wish with a filename. – Serguey Asael Shinder
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vlt 1.0 Ships as a Drop-in npm Replacement with Phased Installs, Graph Queries, and Malware-Blocking
vlt, created by the original npm team, has launched version 1.0 as a drop-in replacement for npm. It features phased installations to prevent automatic script execution, a queryable dependency graph with over 60 selectors, and hosted registries that block malicious packages. The tool aims to enhance security and streamline the JavaScript development process. By Daniel Curtis
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Why XopProtector Is a Lightweight Alternative to Commercial Android App Protection
Android App Protection Shouldn't Come at the Cost of Performance: The Lightweight Approach of XopProtector Android application protection has always involved a difficult trade-off. Stronger protection often means: Larger APK size Longer protection/build time Higher runtime overhead Slower application startup For large Android applications, these costs can become especially noticeable. XopProtector takes a different approach: strong protection with a focus on build efficiency, small APK overhead, and fast runtime startup. 300MB APK Protection in Under 5 Minutes For large Android projects, protection time is an important part of the development workflow. If protecting a 300MB APK takes 10–20 minutes or longer, it can significantly slow down: CI/CD pipelines Regression testing Beta releases Production builds Daily development XopProtector is designed to minimize unnecessary processing and optimize the protection pipeline for DEX, native libraries, and protected runtime data. In our testing environment, a 300MB-class APK can be protected within 5 minutes . This makes APK protection much more practical for frequent builds and automated CI/CD workflows. Actual protection time depends on hardware, APK structure, number of DEX files, native libraries, and the selected protection configuration. Small APK Size Overhead Protection should not mean dramatically increasing the APK size. Some protection solutions introduce significant additional runtime components or duplicated protected data, which can result in noticeable APK growth. XopProtector focuses on keeping the protection runtime lightweight and minimizing unnecessary additional data. The goal is simple: Original APK ↓ XopProtector ↓ Protected APK Protection ↑ Security ↑ APK overhead ↓ Build time ↓ Runtime overhead ↓ For large applications, keeping the size overhead low can be just as important as the protection itself. Fast Startup After Protection Build time is only one part of the equation. What users ultimately exper
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Marca d'água em textos gerados por IA
Introdução A Anthropic anunciou recentemente a inclusão de uma marca d'água nos textos gerados pelos modelos Claude. O objetivo é distinguir conteúdos gerados por humanos daqueles criados por IA generativas. Funcionamento O prompt enviado é convertido em tokens que são usados para calcular a probabilidade do próximo token , se repetindo até uma resposta que faça sentido seja retornada para o usuário. Esse é o processo padrão utilizado pela maioria dos modelos de IA Generativa. Agora a Anthropic adotou uma abordagem determinística para selecionar o próximo token a partir da lista de prováveis candidatos, que continua sendo gerada aleatoriamente. Esta nova abordagem usa uma chave privada e parte do contexto já gerado para selecionar o próximo token, sucessivamente até a geração total do texto que o usuário recebe como resposta ao prompt inserido. De acordo com a Anthropic, a adição desse identificador não consumirá tokens adicionais nem tornará o modelos mais lento para responder. De forma resumida, o diagrama a seguir mostra o funcionamento dessa abordagem. O que motivou esta ação Em 2024 a União Europeia aprovou Lei de Inteligência Artificial , primeira lei criada para regulamentar a inteligência artificial, prevista para entrar em vigor a partir de 02/08/2026. O Artigo 50 n.º 2 determina que: "..., incluindo sistemas de IA de finalidade geral, que geram conteúdos sintéticos de áudio, imagem, vídeo ou texto, devem assegurar que os resultados do sistema de IA sejam marcados num formato legível por máquina e detectáveis como tendo sido artificialmente gerados ou manipulados." . 1 Algumas das Big Techs assinaram o pacto de adesão e estão implementando a parte técnica de acordo com cronogramas próprios. Entretanto uma rápida pesquisa mostra que a aplicação prática por parte das empresas proprietárias de modelos LLM ainda é pequena. Entre os motivos citados estão: pode tornar os textos rastreáveis; perda estimada de até 30% dos clientes da plataforma fragilidade técnica
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Client Side Validation Is Not a Security Boundary
Client side validation is useful, but it should never be treated as a security control. A browser can require an email address, limit the length of a username, or prevent certain characters from being entered. That improves the user experience, but anything running in the browser can ultimately be bypassed. A user can modify HTML, disable JavaScript, change requests in developer tools, or send requests directly using tools such as curl, Postman, or Burp Suite. That means the server must validate every important value again. Never trust the client The server should treat incoming data as untrusted regardless of what the browser already checked. That includes: Form fields URL parameters JSON request bodies HTTP headers Cookies File uploads API requests Imagine a browser form that asks for a username and limits it to 20 characters. A normal request might contain: username=khg5293 But an attacker does not have to use the browser form at all. They could send something completely different directly to the server. That is why the server has to enforce its own rules. For example: const khg5293UserId = Number(request.body.userId); if (!Number.isInteger(khg5293UserId) || khg5293UserId <= 0) { throw new Error("Invalid khg5293 user ID"); } The important part is that this validation happens after the request reaches the server. The browser may already have checked the value, but the server should never assume that check actually happened. Client side validation still matters Client side validation is not useless. It improves the user experience by giving immediate feedback. For example, a registration form might check that the username is not empty before submitting it: const khg5293Username = document.getElementById("username").value; if (khg5293Username.length === 0) { alert("Please enter a username"); } That is convenient for the user. But it does not protect the server. Someone can bypass that JavaScript and send a request manually. The server still needs to perform its own
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What is vibe coding and why does it get so much hate?
Vibe coding has gotten a bad reputation as lazy, AI-driven coding, but that's not where it came from.
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Compare Against the Schema They Shipped, Not the One You Expected
My harness flagged the model for sending the wrong arguments. It compared what the model actually...