swiss-made security & it lab
Security news & tools for hands-on IT admins.
Actionable security news, curated CVE advisories, deep-dive tutorials, troubleshooting fixes, plain-English explainers and browser-based tools to secure and troubleshoot your infrastructure.
maintained by Emanuel De Almeida , IT engineer · geneva, switzerland · updated frequently
editorial
Latest security news
Anthropic Export Ban: 76 Security Execs Demand Reversal
76 cybersecurity executives from Adobe, Google, Nvidia signed an open letter urging Commerce to lift Anthropic Fable 5 and Mythos 5 export controls.
CVE-2026-20262: Cisco SD-WAN Root Bug Actively Exploited
Cisco patches CVE-2026-20262, a critical Catalyst SD-WAN Manager flaw granting root access. CISA issued Emergency Directive 26-03 as UAT-8616 exploits systems.
SearchLeak Vulnerability in Microsoft 365 Copilot Enables One-Click Data Theft
CVE-2026-42824 chains three flaws to exfiltrate emails, passwords, and documents via malicious URLs. Microsoft has patched server-side.
Conti Ransomware Developer Pleads Guilty: Ukrainian Faces 20 Years in Prison
Oleksii Lytvynenko admitted to building malware loaders for Conti, which extorted over $150 million from victims across 47 U.S. states and 31 countries.
Windows 11 KB5094126 June 2026: Key Fixes for Sysadmins
KB5094126 fixes HYPERVISOR_ERROR 0x20001 crashes and BitLocker recovery loops. Released June 9, 2026 for Windows 11 24H2/25H2.
npm 12 Blocks Install Scripts by Default: July 2026 Deadline
npm v12 disables dependency install scripts starting July 2026, affecting 2M+ packages. Developers must whitelist trusted packages via allowScripts in package.json.
June 2026 Patch Tuesday: 3 Zero-Days, 206 CVEs Fixed
Microsoft's largest-ever Patch Tuesday fixes 206 CVEs including three actively exploited zero-days. BitLocker bypass, Defender privilege escalation actively exploited.
CVE-2026-35273: Oracle PeopleSoft Zero-Day Exploited
CVE-2026-35273 enables unauthenticated RCE in Oracle PeopleSoft. ShinyHunter exploits this zero-day to steal HR/payroll data. Emergency patch available.
security radar
CVE Watch
Check Point Gaia OS IKEv1 Authentication Bypass Allows Unauthorized VPN Access
CVE-2026-50751 is a critical authentication bypass in Check Point Gaia OS IKEv1 VPN that lets remote attackers establish VPN sessions without valid credentials. Actively exploited.
7-Zip Heap Buffer Overflow via NTFS Handler Integer Overflow (CWE-190)
CVE-2026-48095 is a critical heap buffer overflow in 7-Zip versions 26.00 and earlier caused by integer overflow in NTFS stream handling, enabling arbitrary code execution.
Windows YellowKey Security Feature Bypass Vulnerability Explained
CVE-2026-45585 is a medium-severity Windows security feature bypass flaw affecting BitLocker. Physical access required. TPM+PIN users are not at risk.
Azure Cloud Shell, unauthenticated command injection (spoofing over network)
Improper neutralization of special elements used in a command ('command injection') in Azure Cloud Shell allows an unauthorized attacker to perform spoofing over a network.
Windows Netlogon Stack-Based Buffer Overflow Enables Remote Code Execution
CVE-2026-41089 is a critical stack-based buffer overflow in Windows Netlogon that allows unauthenticated remote code execution. CVSS 9.8. Patch immediately.
Apple WebKit, sandbox escape via malicious web content (zero-day)
An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. Maliciously crafted web content may be able to break out of Web Content sandbox.
step by step
Latest tutorials
Office Scrubber Tool: Completely Uninstall Microsoft Office
Office Scrubber removes all Microsoft Office files, registry entries, and licenses. Our testing confirmed 100% cleanup across M365, LTSC, and legacy versions.
BitLocker Removal Guide: Disable Encryption in Windows 11
Remove BitLocker encryption from Windows 11 drives using Control Panel. Decryption takes 1-3 hours depending on drive size. Includes Rufus method to prevent 24H2 auto-encryption.
Dsregcmd Command: Check Azure AD Join Status Windows 10/11
Run dsregcmd /status to verify Microsoft Entra ID device registration, diagnose SSO failures, and check Primary Refresh Token status on Windows systems.
troubleshooting
Latest fixes
Fix Windows 11 Slow After KB5094126: 7 Steps
KB5094126 causing freezes within 5 minutes? These 7 fixes restored boot speed in our tests. Repair files, disable startup apps, free storage.
concepts
Explained
What Is an API? How It Works & Why It Matters
APIs let software systems communicate securely. With 99% of organizations reporting API security issues in 2024, understanding how APIs work is essential for IT teams.
DHCP Explained: Guide for Network Admins
DHCP automatically assigns IP addresses to 18.5 billion connected devices worldwide. Learn how the DORA process works and secure your network infrastructure.
Docker: Containerization Platform Explained for IT Pros
Docker packages applications with dependencies into portable containers. With 92% IT adoption in 2025 and 318 billion Docker Hub pulls, it's essential knowledge for IT pros.
Zero Trust Explained: Architecture, Principles & Use Cases
Zero Trust saves organizations $1.76M per breach on average. Learn the architecture, core principles, and practical implementation strategies for this security framework.
open source
Open-source projects
SuperDelete: delete long-path files on Windows (CLI and GUI)
A free, open-source Windows tool that deletes files and folders blocked by the 260-character path limit, using extended-length paths and Win32 APIs, from a command-line tool or a modern desktop app.
RoboSync: a friendly Robocopy GUI for Windows
A free, open-source desktop GUI for Windows Robocopy. Copy, mirror, move and sync folders without memorising command-line flags, with live progress, a dry-run preview and saved jobs.
browser-based
IT tools
Emanuel De Almeida
IT engineer · Geneva, Switzerland
about navanem
Emanuel De Almeida, IT engineer in Geneva, Switzerland.
NAVANEM is a solo-built, Swiss-based security and IT lab for hands-on admins. Every article, tool and script is built and tested in real-world environments, not marketing decks.