Microsoft Defender para o Desktop Linux: A Segurança Empresarial Chega às Estações de Desenvolvedores

 

O Microsoft Defender chega ao Linux desktop em prévia pública para proteger estações de desenvolvedores com EDR, antivírus e gestão de vulnerabilidades. Saiba como funciona.

Wisp: o GNOME finalmente ganhou um "botão de desfazer" para o Btrfs

Wisp: extensão GNOME que gerencia snapshots Btrfs do Snapper na barra superior. Instale, configure e restaure o sistema com dois cliques. Guia completo em português.

SPECviewperf 15.0.1 no Linux: O Guia Definitivo para Profissionais de Workstation em 2026

 

O SPECviewperf 15.0.1 chega ao Linux com o workload Siemens NX 2406. Descubra benchmarks, requisitos, melhorias e como testar sua workstation.

Fedora 45 Beta: O Guia Completo Sobre a Nova Versão do Linux

 

O Fedora 45 Beta chega com o console KMSCON, segurança reforçada e GNOME 51. Veja as novidades, como instalar e a melhor recomendação de SSD para Linux. Confira!

O GNOME Reduz o Prazo de Divulgação de Vulnerabilidades de 90 para 30 Dias

 

  

O  GNOME reduz prazo de divulgação de vulnerabilidades de 90 para 30 dias a partir de agosto/2026. Entenda o impacto, como se proteger e o que muda para usuários Linux.

openSUSE 2026-3140-1: Atualização Crítica de Segurança para LibreOffice — Você Está Protegido?

 

Atualização crítica de segurança para LibreOffice no openSUSE corrige 9 vulnerabilidades. Saiba como se proteger e atualizar agora mesmo. Leia o guia completo.

Guia Completo de Segurança do haveged no Linux (Entropy Daemon)

 

Guia completo  para corrigir a vulnerabilidade CVE-2026-41054 no haveged (Fedora Linux). Inclui comandos de verificação, script de automação, mitigação alternativa via AppArmor/iptables e recomendações de livro para aprofundamento. Segurança que dura anos."

Guia Completo para Verificar, Corrigir e Mitigar Vulnerabilidades no Thunderbird no Fedora Linux

Aprenda a verificar se seu Thunderbird no Fedora está vulnerável, corrija com um script automático e aplique mitigações alternativas se não puder atualizar agora. Guia prático com exemplos e um script de automação. 

The Orthodox File Manager Returns: Why GNOME Commander’s Rust and GTK4 Rewrite Is a Game Changer

 

GNOME Commander 2.0 rewrites the orthodox file manager in Rust & GTK4. Faster, safer, with an embedded terminal & Wayland support.

Securing Your Git Commit Signing Policy: A Practical Guide to the Sequoia-Git Vulnerability

 

Learn how to address the RUSTSEC-2026-0109 vulnerability in sequoia-git on Fedora Linux. This comprehensive, evergreen guide provides step-by-step checks, an automation script for applying the fix to versions before 0.6.0, and alternative temporary mitigations like iptables restrictions and AppArmor profiles to protect your commit signing policy and project integrity.

Securing Your Fedora Workstation: Detecting and Fixing the CVE-2026-6846 Arbitrary Code Execution Vulnerability in Insight

 

Learn how to protect your Fedora Linux system from the CVE-2026-6846 arbitrary code execution vulnerability in Insight. Includes easy verification commands, a fully automated fix script, and alternative security controls for when you can't update immediately.

Kerberos (krb5) Security Update: NegoEx DoS Vulnerabilities Explained

 

Learn how to protect your Fedora Linux systems from NegoEx parsing vulnerabilities (CVE-2026-40355, CVE-2026-40356) in MIT Kerberos 5 (krb5). Includes manual checks, automation scripts, and firewall-based workarounds for unpatched systems. Practical guide for system administrators.

ASUS TUF Gaming B650M-E WIFI (AMD B650, mATX)

 

Linux review: ASUS TUF B650M-E WIFI. Great VRM & OpenRGB support, but MediaTek Wi-Fi is BROKEN. Needs kernel 6.2+. Score: 5/10.

Secure Vim on Linux – Command Injection & Modeline Bypass Explained

 

Vim command injection flaws affect SUSE Linux Micro. Learn to check, patch, and mitigate CVE-2026-33412, CVE-2026-34714, and CVE-2026-34982 using universal bash scripts, iptables, and AppArmor. Includes affiliate resources to master secure Linux administration.

The SMB Share Browser on Your Linux Desktop Could Give Attackers Root Access – Here’s How to Stop It

 

Did you know a local root exploit can hide in your SMB share browser? Learn how to check for CVE-2025-66003 and CVE-2025-66002 on Ubuntu, Rocky, and SUSE, plus a ready-to-use bash fix script, iptables mitigation, and a hands-on security course to lock down your Linux desktop for good.

Firefox Memory Safety Bugs: A Permanent Guide to Checking, Fixing, and Blocking Attacks (Works on Ubuntu, Rocky, SUSE)

 Stop chasing outdated Firefox security alerts. Learn to check, patch, and mitigate memory safety bugs on Ubuntu, Rocky Linux, SUSE. Includes automation & a hands-on lab.

Fedora Python3.9 Security Advisory 2026-0ff49872ae: Enterprise Patch Assessment & Risk Vectors

 

Fedora Python3.9 security advisory 2026-0ff49872ae: Patch VSOCK memory flaws before lateral movement. Enterprise-grade upgrade paths + GEO risk framework inside.

Fedora 42 Security Alert: Analyzing the Critical Firefox Update (FEDORA-2026-a026a1b0c5)

 

Discover the critical security implications of the latest Firefox update for Fedora 42 (FEDORA-2026-a026a1b0c5). Our expert analysis covers vulnerability severity, enterprise patch management strategies, and mitigation best practices to ensure compliance and data integrity.

Fedora 42 Security Advisory 2026-62cea4650e: A Deep Dive into Kernel & glibc Vulnerabilities

 

Is your Fedora 42 system vulnerable? We analyze the critical security advisory FEDORA-2026-62cea4650e, detailing the impact of recent kernel and glibc patches. Discover expert insights on maintaining enterprise-grade Linux security, optimizing patch management for environments, and ensuring compliance with standards.

The Hidden Cost of Browser Neglect: A 2026 Guide to Chromium Security & Enterprise Hardening

 

Is your organization's browser security a ticking time bomb? Unpatched Chromium vulnerabilities lead to an average of $1.5M in breach-related losses. Download our expert guide to enterprise browser hardening, including a free risk assessment checklist and a detailed breakdown of managed vs. unmanaged solutions.