Hardening Archives

Linux Privilege Escalation: From Initial Foothold to Root Access

May 26, 2026

Is your Linux server one misconfig away from a total breach? Learn how attackers exploit SUID bits and sudoers files, and how to use tools like LinPEAS and Auditd to stop them.

Security

WordPress Security Hardening: Stop Brute Force, SQLi, and RCE Before They Hit

May 25, 2026

Harden your WordPress site against brute force, SQL injection, and remote code execution using a layered approach: security plugins, Nginx rate limiting, file integrity monitoring, and database privilege restriction. Practical commands and configs included.

Security

Running Docker Without Root: Stop Container Escapes Before They Start

May 7, 2026

Is your Docker daemon running as root? You're one exploit away from a total host takeover. Learn how to set up Rootless Docker to contain attacks and secure your production Linux servers.

Security

Hardening the Kernel: How I Use Seccomp and Linux Capabilities to Stop Escalation

April 24, 2026

Stop privilege escalation before it starts. A senior engineer explains how to use Seccomp and Linux Capabilities to shrink your kernel attack surface based on real-world incident response.

Security

Stopping BadUSB: My 6-Month Experience Hardening Linux with USBGuard

April 18, 2026

Physical USB ports are a massive security blind spot. This guide shows you how to use USBGuard to whitelist trusted devices and block BadUSB attacks on Linux.