4sysops
For sys and AI ops
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Latest posts
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Microsoft sqlsimtools: SQL Server load testing and workload replay
Microsoft has shipped sqlsimtools, an open-source, free toolkit for SQL Server load testing and workload simulation, as a public preview. It bundles the native command-line tool sqlsim, the Python port sqlpysim, the browser-based sqlsim Studio, and a Workload Builder agent for…
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RHEL patches critical Linux TCP flaw; Ubuntu fixes remain in testing
Red Hat has shipped fixes for CVE-2026-98432, the Linux IPv4 TCP flaw that left RHEL and Ubuntu unpatched when researchers demonstrated a path to root . RHEL now rates the vulnerability Critical at 9.8, up from 5.9. Ubuntu’s fixes are still in an opt-in testing channel, with no…
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Gemini 4 Carbon tops AI rankings, but its hallucination score needs context
Google’s Gemini 4 Carbon, a frontier model for coding and cybersecurity work, scored 59 on Artificial Analysis’ Intelligence Index V5—one point ahead of Claude Opus 5.5. After Google’s limited rollout to cyber defenders , the new results add a broader comparison of the model’s…
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Cloudflare launches Zero Wire to turn critical CVEs into action plans
Cloudflare has launched Zero Wire, a public vulnerability-intelligence feed inside Cloudflare Radar that helps security teams assess critical flaws in internet-facing software. Its briefings combine plain-language explanations, affected deployments, recommended steps, and links…
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Entra ID lets users change passwords without the old one
Microsoft Entra ID is rolling out a preview that lets users change their password without entering the current one, after signing in with an approved strong method. The option appears in My Sign-Ins and can avoid a self-service password reset or help-desk call. The feature is…
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Windows AI PC roadmap points to 512GB GPU memory for local models
A reported Microsoft Windows AI PC roadmap maps devices from entry-level 8GB laptops to workstations for running advanced models locally. Its headline-grabbing 512GB figure refers to memory per GPU in a planned workstation-class system—not ordinary system RAM. The leaked roadmap…
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Network appliances go a year without patches as exploits hit in days
Network appliance vulnerabilities take more than a year to patch at the median, while exploited flaws reached CISA’s Known Exploited Vulnerabilities catalog in a median of just three days in 2026 through September. Microsoft’s analysis of about 383,000 CVEs shows the widest…
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Dell and Microsoft connect Azure Local, SQL Server and AI infrastructure
Dell and Microsoft are combining Azure Local, SQL Server and Dell’s private-cloud automation to help enterprises run and manage AI workloads across on-premises and cloud environments. The expanded integration targets a persistent obstacle to production AI: getting fragmented…
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OpenVDDK gives VMware migration tools a drop-in VDDK replacement
OpenVDDK is an open-source library that lets backup and migration tools read VMware virtual disks. Built to replace VMware’s libvixDiskLib.so.8.0.3, it matches the original library’s interface and is designed to work with tools that expect VDDK. Its creator reports tests on four…
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Ppen-source network testing tool Fireperf tests firewall connection handling beyond raw bandwidth
Fireperf is an open-source network testing tool for measuring how firewalls, routers, and other stateful systems handle connections—not just how much data they can transfer. It is available in packages for several Linux distributions, including Debian, Arch Linux,…
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AI coding agents keep installing unpatched MCP servers
AI coding agents are installing deprecated Model Context Protocol (MCP) servers that can expose developer machines to serious vulnerabilities. In 98% of reviewed sessions where an agent suggested or installed a deprecated server, it appeared to choose the package from its…
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Gartner: open models could handle 90% of agent steps for 1/20 the cost
Open-weight AI models could handle 90% of enterprise agent workflow steps, with best-case costs as low as one-twentieth of using a frontier model throughout, Gartner analysts say. In practice, extra retries and longer outputs may reduce the savings to five or six times.…
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OpenAI’s Pando cuts Git push latency nearly fivefold
Pando is a Git repository backend that lets OpenAI’s engineers and coding agents work in the same monorepo. Now powering all development there, it keeps existing Git workflows intact while handling concurrent pushes and high-volume fetches. OpenAI reports nearly fivefold lower…
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OpenAI raises Security Bug Bounty rewards to $172,000
OpenAI has increased rewards in its Security Bug Bounty program, with exceptional critical findings now eligible for up to $172,000 when bonuses are included. The company says average midpoint rewards for medium, high, and critical findings have more than quadrupled. New…
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Anthropic’s third-quarter results show that revenue growth continues to slow while losses are soaring
Anthropic’s revenue climbed 47% quarter over quarter to $17 billion, but that’s a sharp slowdown from its previous 144% jump—and its net loss ballooned to $23.3 billion. Source
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Volta-Autodoxer uses AI to rank stolen data by value
A Windows infostealer called VOLTA-AUTODOXER uses AI to sort stolen personal data and identify what may be easiest to monetize. It assembles information from accounts and devices into a victim profile, then sends it through OpenRouter for analysis. Cisco Talos has not confirmed…
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LLMJacking turns stolen AI keys into $1 million bills
Criminals are using stolen corporate AI access keys to run up bills exceeding $100,000 a day, with some victims facing nearly $1 million in charges before shutting off access. Google Mandiant says the attacks, known as LLMJacking, now include high-volume model use and services…
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Gemini 4 Carbon enters cyber-defense testing as Argon rolls out globally
Google says Gemini 4 Argon has rolled out globally for complex tasks, while Gemini 4 Carbon—announced two weeks later—is now being tested with the U.S. government and selected cyber defenders. The new rollout broadens Argon beyond its initial subscriber availability, covered in…
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NVIDIA Brev breach may have exposed SSH keys for customer VMs
NVIDIA says unauthorized activity on its Brev cloud development platform between October 4 and October 20 may have exposed SSH keys used to access customer virtual machines. The company replaced the potentially affected keys and updated customer instances, but has not confirmed…
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ChatGPT will merge Work into Chat and share usage with Codex
ChatGPT will fold its Work tab into Chat, giving users one place to handle conversations and more involved tasks. The trial starts with a small group in the coming weeks, while Codex remains a separate section in the desktop app. From December, Plus, Pro, and Business…