{{Header}} {{hide_all_banners}} {{Title|title= {{project_name_long}} Documentation }} {{#seo: |description=A Crash Course in Computer Security |image=Documentation.jpg }} __NOTOC__ __NOEDITSECTION__ __HIDDENCAT__ {{documentation_mininav}} {{intro|thumb=Documentation.jpg| This documentation is a course on security on the Internet. {{project_name_short}} is a technological means to staying secure online, but staying safe necessitates complete behavioral change; it is a complex problem without an easy solution. The more you know, the safer you can be. }} {{Expand_or_Collapse_All}}

{{project_name_short}} Overview

* [[About|Design and Goals]] * [[About|Overview for First Time Visitors]] * [[FAQ]]
* [[First_Time_User|First Time Users]] * [[Changelog|{{project_name_short}} Changelog]]
* [[Trust|Placing Trust in {{project_name_short}}]] * [[Privacy|Privacy Goals and Non-Goals]]

Download {{project_name_short}}

* [[Download]] ** [[File:Cd-rom-icon.png|15px|link=ISO]] [[ISO|ISO]] ** [[File:Tux.png|15px|link=Debian]] [[Debian|Debian]] ** [[File:Kvmbanner-logo26.png|30px|link=KVM]] [[KVM#Start|KVM]] ** [[File:qubes-logo-blue.png|15px|link=Qubes]] [[Qubes|Qubes]] ** [[File:Virtualbox_logo.png|15px|link=VirtualBox]] [[VirtualBox|VirtualBox]] * [[Download Issues]] * [[System Requirements|System Requirements]]
* [[Download Security|Download Security]] * [[Verifying_Software_Signatures|Verifying Software Signatures]] ** [[Signing Key|Download the {{project_name_short}} Signing Key]] ** [[Verify the images|Verify {{project_name_short}} Images]] *** [[File:Tux.png|15px|link=]] [[Verify_the_images_using_Linux|Linux using gpg]] *** [[File:Windows_logo_-_2012.svg.png|15px|link=]] [[Verify_the_images_using_Windows|Windows using Gpg4win]] *** [[File:rsz_osx.png|15px]] [[Verify_the_images_using_macOS|macOS using GPGTools]]
* VirtualBox-specific ** [[VirtualBox/Higher Screen Resolution without installing VirtualBox Guest Additions|Higher Screen Resolution without VirtualBox Guest Additions]] ** [[VirtualBox/Recommended_Version|Install the Recommended VirtualBox Version]] ** [[VirtualBox/Other_Versions|Install Newer Versions of VirtualBox]] ** [[VirtualBox Testers Only Version|VirtualBox Testers Only Version]] ** [[VirtualBox/Troubleshooting|{{project_name_short}} does not Start]]

First {{project_name_short}} Steps

* [[Language|Change the System or Firefox Language]] * [[Common CLI Commands|Common {{project_name_short}} CLI Commands]] * [[Default Passwords]]
* [[Stay Tuned|Follow {{project_name_short}} Developments]] * [[Keyboard Layout]] * [[Project-APT-Repository|{{project_name_short}} APT Repository]]
* [[Network Obstacle]] * [[Desktop|Platform-specific Desktop Tips]] * [[Secure_Boot|Secure Boot]]

Essential {{project_name_short}} Security Guide

* [[Basic_Security_Guide_Introduction|Introduction]] * [[Unicode|Invisible Malicious Unicode Risks]] * [[Essential Host Security|Essential Host Security]] * [[Host Firewall|Host Firewall]] * [[Onionizing_Repositories|Onionizing Repositories]] * [[User|User Management]] * [[Login|Login Screen]] * [[Timezone|Timezone Settings]] *
* [[Operating_System_Software_and_Updates|Operating System Software and Updates]] ** [[Point_Release|Point Release]] ** [[Release_Upgrade|Release Upgrade]] ** [[Install_Software|Install Additional Software Safely]] ** [[Avoid_nonfreedom_software|Avoid Non-Freedom Software]] ** [[Root|Safely Use Root Commands]] ** [[sysmaint|sysmaint - System Maintenance User]] ** [[unrestricted admin mode|unrestricted admin mode]] ** [[Root#Prevent_Malware_from_Sniffing_the_Root_Password|Prevent Malware from Sniffing the Root Password]] ** [[Login spoofing|Defeat Login Spoofing]] ** [[Verifying_Software_Signatures|Verifying Software Signatures]] * [[Passwords|Passwords]] ** [[File:KeePassXC.svg|20px|link=Keepassxc]] [[Keepassxc|KeePassXC Password Manager]]
* [[Secure_Downloads|Secure Command Line / Firefox Downloads]] * [[System_Configuration_and_Access|System Configuration and Access]] ** [[USB Installation|{{project_name_short}} on USB or other External Media]] * [[System_Hardening_Checklist|System Hardening Checklist]] ** [[{{q_project_name_short}}_Security|{{q_project_name_long}} Security]] * [[Tor_Versioning|Tor Versioning]] * [[Virtualization_Platform_Security|Virtualization Platform Security]] * [[Warning|Warnings: {{project_name_short}} and Tor Limitations]]

Advanced {{project_name_short}} Security Guide

* [[Advanced_Security_Guide_Introduction|Introduction]] * [[Advanced_Users|Who is an advanced user?]] * [[Advanced Host Security|Advanced Host Security]] * [[User_Namespace|Unprivileged User Namespace]] * [[DNS Security]]
* [[File:logo-linux-500x500.png|15px]] Kernels ** [[Kernel|Install Newer Kernels]] * Live Mode ** [[Live Mode]] ** [[Anti-Forensics_Precautions|Anti-forensics Precautions]] ** [[read-only|VM Read-only Mode]] * [[Social_Engineering |Social Engineering and (Spear) Phishing]] * [[Network_Time_Synchronization|Network Time Synchronization]]
* [[Operating_System_Hardening|Operating System Hardening]] * [[Protection_Against_Physical_Attacks|Protection against Physical Attacks]] * [[sandbox-app-launcher|Sandboxed Application Launcher]] * [[Noexec|Enhanced Security via Mount Options and Compiler Restrictions (Planned)]] * [[SUID_Disabler_and_Permission_Hardener|SUID Disabler and Permission Hardener]] * [[System Audit]] * [[systemcheck_Hardening|systemcheck Hardening]]
{{Anchor|computer-security-education}}

Computer Security Education

* [[Computer_Security_Introduction|Introduction]] * [[Mobile Phone Security|Mobile Phones Privacy and Security]] * [[Mental_Model|Computer Security Mental Model]] * [[Core_Dumps|Core Dumps]] * [[AEM|Evil Maid Attack]]
* [[Firmware_Security_and_Updates|Firmware Security and Updates]] * [[Miscellaneous_Threats_to_User_Freedom|General Threats to User Freedoms]] * [[Hardware_Threat_Minimization|Hardware Threat Minimization]] * [[Host_Firewall|Host Firewall Essentials]] * [[Malware_and_Firmware_Trojans|Malware and Firmware Trojans]]
* [[Open-source_Hardware|Open-source Hardware]] * [[Out-of-band_Management_Technology|Out-of-band Management Technology]] * [[Router_and_Local_Area_Network_Security|Router and Local Area Network Security]] * [[Disable_TCP_and_ICMP_Timestamps|TCP and ICMP Timestamps]] * [[Two-factor_authentication_2FA|Two-factor Authentication (2FA)]]

{{project_name_short}} Bugs and Troubleshooting

* [[RAM|Advice for Systems with Low RAM]] * [[Reporting Bugs|Bug Reports and Software Development]] * [[Factory_Reset|Factory Reset]]
* [[Recovery|Recovery Options]] ** [[Disaster_Recovery|Compromise Recovery]] ** [[SysRq|System Recovery using SysRq Key]] * [[Broken_Boot|Broken Boot]]
* Testing ** [[Test|Testers Wanted!]] * [[Troubleshooting|Troubleshooting]]

Email, Chat and Communications

* [[File:Signal.png|15px]] [[Signal|Signal Messenger]] * [[Session|Session Messenger]]

Money, Filesharing and Other Services

* Cryptocurrency ** [[Bitcoin_Core|Bitcoin Core]] ** [[Hardware_Wallet_Security|Cryptocurrency Hardware Wallet Security]] ** [[Cryptocurrency_Security_Threats|Cryptocurrency Security Threats]] ** [[File:Electrum-appimage.png|15px]] [[Electrum|Electrum]] ** [[File:Ethereumlogo.png|25px]] [[Ethereum|Ethereum (ETH)]] ** [[File:Ledgericon.png|45px]] [[Ledger_Hardware_Wallet|Ledger Hardware Wallet]] ** [[Trezor_Hardware_Wallet|Trezor Hardware Wallet]] ** [[File:Monero-symbol-1280.png|15px]] [[Monero|Monero (XMR)]]
* [[File Sharing|Filesharing and Torrenting]] * [[File:Sshlogo.png|15px]] [[SSH|Secure Shell (SSH)]]

Browsing and Internet Connections

* [[Chrome]] ** [[Google Chrome Repository Insecurity]] * [[Chromium]]
* [[sdwdate|sdwdate: Secure Distributed Web Date]] ** [[sdwdate-gui|sdwdate-gui: sdwdate Graphical User Interface]]
* [[Gemini|Gemini (protocol) / Geminispace]

Encryption and Privacy

* [[Encrypted_Images|Encrypted Images]] * [[Full_Disk_Encryption|{{fde}}]] ** [[Cold Boot Attack Defense]]
* [[OpenPGP|OpenPGP Overview]] * [[Software#OpenPGP_.28GnuPG_Frontend.29 OpenPGP|Text Encryption]]
* [[PQCrypto|Post-Quantum Cryptography (PQCrypto)]]

{{project_name_short}} Software Tools

* [[Software#Accessibility|Accessibility]] * [[Software#Audio.2C_Image_and_Video|Audio, Image and Video]] ** [[File:2000px-VLC_Icon.svg.png|15px|VLC Media Player Icon]] [[Software#Audio.2C_Image_and_Video|VLC Media Player]]
* [[Software#Communications|Communications]] * [[Software#Encryption|Encryption]] * [[Software#Entertainment|Entertainment]]
* [[Software#Miscellaneous|Miscellaneous]] * [[Orca|Orca Screen Reader]] * [[Software#Work_on_Sensitive_Documents|Work on Sensitive Documents]]

{{non_q_project_name_short}} Only

* [[RAM Adjusted Desktop Starter]] * [[Verify the images|Verify {{project_name_short}} Images]]
* [[File:Virtualbox_logo.png|15px|link=VirtualBox]] VirtualBox-specific ** [[VirtualBox/Guest_Additions|VirtualBox Guest Additions and Shared Folders]] ** [[VirtualBox/Troubleshooting|VirtualBox Troubleshooting]]

{{q_project_name_short}} Only

* [[File:Qubes-logo-icon.png|15px|link=]] [[File:Kicksecure-icon-logo.png|15px|link=]] [[Qubes|{{q_project_name_short}} Overview]]
* {{q_project_name_short}} App Qube / Template Operations ** [https://www.qubes-os.org/doc/how-to-back-up-restore-and-migrate/ Backup, Restore and Migrate VMs] ([{{QubesOS_onion}}/doc/how-to-back-up-restore-and-migrate/ .onion]) ** [https://www.qubes-os.org/doc/how-to-install-software-in-dom0/ Install and Update Software in dom0] ([{{QubesOS_onion}}/doc/how-to-install-software-in-dom0/ .onion])
* Security Topics ** [[{{q_project_name_short}}_Security|{{q_project_name_short}} Security]]

{{project_name_short}} Development and License

* [[Contributors|Contributors]] * [[Credits|Credits and other Sources]]
* [[History|History]] * [[{{project_name_short}}:Copyrights#License|License]]
* [[Reasons for Freedom Software|Why {{project_name_short}} is Freedom Software]]

Support or Contact {{project_name_short}}

'''New program'''! Donors are now eligible to be added to a list of our donors. Find out more about our [[Donors|Donor Recognition Program]].
* [[Contact|Contact]] * [[Contribute|Contribute]]
* [[Donate|Donate]] * [[Donors|Donors Recognition]]
* [[Official Online Profiles|Official {{project_name_short}} Online Profiles and Social Media]] * [[Support]] * [[Please_Use_Search_Engines_And_See_Documentation_First|Utilize Search Engines and Documentation]]

Appendix

* Backup {{project_name_short}} ** [https://github.com/{{project_name_short}}/{{project_name_short_lowercase}}-wiki-backup MediaWiki Markup] ** [https://gitlab.com/{{project_name_short_lowercase}}/wiki-backup-dump-content-current MediaWiki XML] * [[VirtualBox/Installer|VirtualBox Installer for Linux]] * [[Packages_for_Debian_Hosts|Packages for Debian Hosts]]
* {{project_name_short}} Website Policies ** [[Policy_of_Website_and_Chat|Policy of {{project_name_short}} Website and {{project_name_short}} Chat]] ** [[Policy_On_Nonfreedom_Software|{{project_name_short}} Policy On Non-Freedom Software]] ** [[Policy_On_Artificial_Intelligence|{{project_name_short}} Policy On Artificial Intelligence (AI)]] ** [[Wiki_Comments_Policy|Wiki Comments Policy]] ** {{kicksecure_wiki |wikipage=Limitations_on_Free_Speech_on_Website_and_Chat |text=Free Speech Limitations on {{project_name_short}} Website and {{project_name_short}} Chat }} ** [[Transparency|Transparency, Sponsors / Advertisement Policy]] ** [[Imprint]] {{!}} [[Privacy Policy]] {{!}} [[Cookie Policy]] {{!}} [[Terms of Service]] {{!}} [[E-Sign Consent]] {{!}} [[Terms_of_Service#DMCA_Policy|DMCA]] {{!}} [[{{project_name_short}}:Copyrights|Copyrights]] {{!}} [[Trademark Policy|Trademark Policy]] * {{project_name_short}} Website Technical ** [[Privacy Policy Technical Details|{{project_name_short}} Website: Privacy Policy Technical Details]] ** [[Forcing .onion on Project|Force .onion on {{project_clearnet}}]] ** [[Website_Tests|{{project_name_short}} Website / Server Tests]] ** [[API|{{project_name_short}} Website API (application programmable interface)]] * {{project_name_short}} Specific ** [[Art_Gallery|{{project_name_short}} Art Gallery]]
{{Footer}} [[Category:Documentation]]