secure-os wrote
Jul 9, 2026 in linux, wayland, x11 - X11 lets any running app read your keystrokes and capture other windows. Wayland was designed to close that gap. What each does, the honest caveats (XWayland, portals), and why a security desktop should prefer Wayland.
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Jul 9, 2026 in privacy, browser, duckduckgo - DuckDuckGo's browser now blocks most YouTube video ads by default, using open-source uBlock Origin filter lists. What it does, the honest limits, and how content blocking fits a private-browser setup.
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Jul 3, 2026 in messaging, encryption, hardware key - Darkup is a new French encrypted messenger that ties your identity to a physical security key and uses Signal's Double Ratchet. Here is what it claims, how it is priced, and why it is not yet proven.
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Jul 2, 2026 in whatsapp, username, privacy - WhatsApp is rolling out optional usernames so you can share an @handle instead of your phone number. Here is what the privacy feature actually protects, its rollout timeline, and the limit it does not solve.
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Jun 30, 2026 in privacy, location-data, fourth-amendment - On June 29, 2026, the US Supreme Court ruled 6–3 in Chatrie v. United States that a geofence warrant is a 'search' under the Fourth Amendment. What the Court held, what it changes, what it doesn't - and the location-privacy habits that still matter.
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Jun 29, 2026 in tails, encryption, persistence - Tails is amnesic by default. The Persistent Storage is an optional LUKS-encrypted volume on the same USB stick. How to create it, what to keep, and why it won't unlock.
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Jun 28, 2026 in grapheneos, calyxos, android - GrapheneOS vs CalyxOS compared honestly: security hardening vs microG compatibility, supported Pixel devices, the Google-services model, ease of use, and which de-Googled Android fits your threat model.
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Jun 28, 2026 in encryption, data-sanitization, opsec - Why shred and dd do not work on solid-state drives, and the methods that do: ATA Secure Erase, NVMe Format and Sanitize, and crypto-erase by destroying the key.
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Jun 26, 2026 in linux, antivirus, malware - Does Linux need antivirus? The honest answer, when it actually matters (servers, mail gateways, mixed Windows networks), the real tools - ClamAV, rkhunter, chkrootkit - and the layered defenses that protect a desktop better than a virus scanner.
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Jun 25, 2026 in linux, sandboxing, firejail - A practical guide to Firejail, the SUID sandbox that confines Linux applications using namespaces and seccomp. Covers installation, profiles, common commands, real limitations, and how it compares to Flatpak and Bubblewrap.
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Jun 24, 2026 in linux, hardening, apparmor - AppArmor vs SELinux compared by design, real-world maintenance and threat model. A practical guide to choosing the right Mandatory Access Control system for your Linux machine.
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Jun 23, 2026 in keylogger, malware, passwords - A keylogger records every key you press to steal passwords and private data. What a keylogger is, the software and hardware types, how to detect one, and how to protect yourself.
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.
Read the guide →