Hardened Linux

Other topics Qubes OS Tails Whonix Disk encryption Threat model

4 guides

Linux Hardening in 2026: The Threat-Model-First Guide

Jun 12, 2026 in linux, hardening, sysctl — A practical Linux hardening guide built around threat models, not checklists. Covers sysctl, AppArmor, SELinux, kernel parameters, and verified boot — with clear explanations of what each measure actually protects against.

📅 8 min read🛡️ Threat-model-first

secure-os wrote

LUKS: Full-Disk Encryption on Linux — Complete Guide (2026)

Jun 12, 2026 in luks, encryption, linux — A complete guide to LUKS2 full-disk encryption on Linux — cryptsetup commands, header backup, TPM auto-unlock, performance benchmarks, and what to do when your header is lost.

📅 7 min read🛡️ Threat-model-first

secure-os wrote

The 7 Most Secure Linux Distros in 2026 (Ranked by Threat Model)

Jun 12, 2026 in linux, distros, hardening — Choosing the most secure Linux distro depends on your threat model. This guide ranks 7 secure Linux distros by what they actually protect against.

📅 15 min read🛡️ Threat-model-first

secure-os wrote

Qubes OS in 2026: How the Most Secure Desktop OS Actually Works

Jun 12, 2026 in qubes, compartmentalization, linux — A technical deep-dive into Qubes OS — the compartmentalization-based desktop OS recommended by Snowden and used by security professionals worldwide.

📅 10 min read🛡️ Threat-model-first