Mitigating Fragnesia (CVE-2026-46300) on Ubuntu Server
A practical guide to assessing, mitigating, and patching the Fragnesia (CVE-2026-46300) kernel vulnerability on Ubuntu Server to prevent privilege escalation.
#security
Archive of posts categorized under this tag.
Secure File Transfers: Moving Beyond TFTP to SCP in Enterprise Networks
Upgrade your network management security. A practical guide to configuring and using SCP for firmware and configuration transfers on Cisco switches.
Configuring FortiGate Local-In Policies: Hardening the Control Plane
Learn how to secure your FortiGate's control plane using local-in policies. Learn CLI configuration, handle auto-created rules, and restrict VPN access by geography.
How to Add Custom Cloud Applications and Rules in Zscaler
Learn how to define custom cloud applications in Zscaler and create Cloud App Control rules to manage access, track usage, and enforce security policies.
Automating FortiGate Configuration at Scale with Python and Netmiko
Stop wasting time with manual CLI updates. Learn how to use Python and Netmiko to push standardized configuration blocks to multiple FortiGate firewalls efficiently.
How to Automatically Contain High-Severity Threats in CrowdStrike Falcon Using Fusion Workflows
A practical guide to building severity-based auto-containment playbooks in CrowdStrike Falcon Fusion to stop threats and reduce SOC alert fatigue.
Hardening Ubuntu 24.04: Production Web Server Security Guide
A step-by-step guide to hardening Ubuntu 24.04 for production web environments using SSH keys, UFW, CIS Level 1 baselines, and Fail2ban intrusion prevention.
Azure Application Gateway: Implementing Path-Based WAF Policies
Eliminate WAF false positives for admins without compromising public security. Learn to architect a dual-policy WAF in Azure Application Gateway using path-based routing.
M365 Retention Policies: Automating Data Governance and Compliance
Master Microsoft 365 retention policies to automate data governance, ensure compliance, and mitigate legal risks without relying on manual user intervention.
Automating the Cleanup of Legacy .NET Desktop Runtimes
Legacy .NET runtimes increase your system's attack surface. Use this PowerShell script to safely automate the removal of old versions once .NET 8.0+ is installed.
Uninstalling WhatsApp Desktop (Store Version) with PowerShell
WhatsApp Desktop via Microsoft Store can bypass standard software controls. Use this PowerShell script to remotely uninstall it from all users at scale.
Secure Employee Off-boarding: A Technical Best Practices Guide
Employee off-boarding is a critical security control. Learn 9 essential technical steps to revoke access in hybrid environments and prevent potential breaches.
Azure VM Repair Guide: DISM Component Store Fix + Bootloader Recovery
Guide to fixing DISM Error 0x800f081f in Azure via offline registry surgery and resolving BCD bootloader collisions.
The Hidden Culprit Behind 'Slow' Enterprise Wi-Fi: Apple Private Relay Exposed
Apple Private Relay can cause 'slow internet' complaints on enterprise networks. Learn why this privacy feature breaks security and how to fix it at the firewall.