secure-os wrote
Jun 14, 2026 in malware, security, privacy — Malware is any software built to harm or exploit a device — viruses, worms, trojans, ransomware, spyware, keyloggers. What malware is, the main types, how it gets in, and the layered defences that actually work.
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Jun 14, 2026 in ransomware, malware, security — Ransomware is malware that encrypts your files and demands payment for the key. What ransomware is, how an attack unfolds, why paying is a bad bet, and the one defence that actually works: backups it can't reach.
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Jun 14, 2026 in spyware, malware, privacy — Spyware is malware that secretly monitors and collects your data — keystrokes, browsing, location, even your screen. What spyware is, the types, how it gets in, the warning signs, and how to remove and prevent it.
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Jun 13, 2026 in tor, anonymity, privacy — A threat-model-first guide to Tor Browser — how onion routing actually protects you, how to install and verify it, the usage mistakes that deanonymize people, and where it stops and Tails or Whonix begin.
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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.
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Jun 12, 2026 in encryption, luks, opsec — A practical guide to full disk encryption across Linux, Windows, macOS and cross-platform tools — what it protects, what it does not, and how to get it right.
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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.
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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.
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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.
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Jun 12, 2026 in qubes, tails, whonix — A decision framework for choosing between Qubes OS, Tails, and Whonix in 2026 — using a threat model matrix that covers targeted malware, physical seizure, mass surveillance, and identity linkage.
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Jun 12, 2026 in tails, tor, live-os — Tails OS is a live USB operating system that routes all traffic through Tor and leaves no trace. Learn how it works, who needs it, and its real limits.
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Jun 12, 2026 in tails, usb, install — A complete how-to guide for installing Tails 7.8.1 on a USB drive — including OpenPGP signature verification, writing the image, and first-boot setup of Persistent Storage.
Read more…Operating systems
Which secure OS fits which threat model — compartmentalisation vs amnesic vs Tor-routed.
Read the guides →Encryption
LUKS, BitLocker, FileVault and VeraCrypt — what each protects, and what it does not.
Read the guide →Hardening
Practical hardening built around the adversary you actually face.
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