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  • Firefox Hardening Guide

    Update: 23 April 2023 Table of Contents Introduction Backup Firefox Profile Firefox Preferences about:config user.js uBlock Origin DoH (DNS over HTTPS) Multiple profiles and Containers Browser Leak Test Recommendations Resources Introduction When you visit a web page, your browser voluntarily sends information about its configuration, such as available fonts, browser...

  • Securely Wipe Disks and Delete Files

    Table of Contents Introduction Wipe Disk Wipe All Data Fast With Zeros Write Pseudorandom Data Wipe A Single File Stay Safe Introduction In this guide I will try to show you how to safely wipe disks and delete files, or at least, make data recovery quite hard. Secure data deletion...

  • Virtualization and you + a crash course

    INTRODUCTION What is virtualization ? Virtualization uses software to create an abstraction layer over computer hardware that allows the hardware elements of a single computer—processors, memory, storage and more—to be divided into multiple virtual computers, commonly called virtual machines (VMs). Each VM runs its own operating system (OS) and behaves...

  • Software I recommend (list)

    Introduction Security is a process, so you cannot fully trust any application, organization, and the people behind it. Regarding this topic see: Threat Model Defence in depth I hope this modest work can help to defende you and fight the censorship and oppression we are experiencing especially in recent years,...

  • How to generate your own GPG keypair (DE)

    Einrichtung, Erklärung und Einsatz von GnuPG Informationen zu GnuPG (GPG) GnuPG ist eine vollständige und freie Implementierung des OpenPGP- Standards, auch bekannt als PGP. GnuPG kann unter der Lizenzbedingungen des GPLv3 frei verwendet, verändert und weitergegeben werden. Mit GnuPG kann man Daten und Kommunikation verschlüsseln und entschlüsseln, elektronische Signaturen erzeugen...