{{Header}} {{hide_all_banners}} {{Title|title=
{{project_name_long}} Documentation
}} {{#seo:
|description=A Crash Course in Computer Security
|image=Documentation.jpg
}}
__NOTOC__ __NOEDITSECTION__ __HIDDENCAT__
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{{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.
}}
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<p>{{project_name_short}} Overview</p>
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* [[About|Design and Goals]]
* [[About|Overview for First Time Visitors]]
* [[FAQ]]
<div></div>
* [[First_Time_User|First Time Users]]
* [[Changelog|{{project_name_short}} Changelog]]
<div></div>
* [[Trust|Placing Trust in {{project_name_short}}]]
* [[Privacy|Privacy Goals and Non-Goals]]
</div>
</div>

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<p>Download {{project_name_short}}</p>
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* [[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]]
* [[System Requirements|System Requirements]]
<div></div>
* [[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]]
<div></div>
* 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]]
</div>
</div>

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

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<p>Essential {{project_name_short}} Security Guide</p>
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* [[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]]
* 
<div></div>
* [[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]]
** [[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]]
<div></div>
* [[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]]
</div>
</div>

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<p>Advanced {{project_name_short}} Security Guide</p>
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* [[Advanced_Security_Guide_Introduction|Introduction]]
* [[Advanced_Users|Who is an advanced user?]]
* [[Advanced Host Security|Advanced Host Security]]
* [[DNS Security]]
<div></div>
* [[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]]
<div></div>
* [[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]]
</div>
</div>

{{Anchor|computer-security-education}}
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<p>Computer Security Education</p>
<div class="use-3-columns strict-list-columns mw-collapsible-content">
* [[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]]
<div></div>
* [[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]]
<div></div>
* [[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)]]
</div>
</div>

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

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<p>Email, Chat and Communications</p>
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* [[File:Signal.png|15px]] [[Signal|Signal Messenger]]
* [[Session|Session Messenger]]
</div>
</div>

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<p>Money, Filesharing and Other Services</p>
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* 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]]
** [[File:Monero-symbol-1280.png|15px]] [[Monero|Monero (XMR)]]
<div></div>
* [[File Sharing|Filesharing and Torrenting]]
* [[File:Sshlogo.png|15px]] [[SSH|Secure Shell (SSH)]]
</div>
</div>

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<p>Browsing and Internet Connections</p>
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* [[Chrome]]
** [[Google Chrome Repository Insecurity]]
* [[Chromium]]
<div></div>
* [[sdwdate|sdwdate: Secure Distributed Web Date]]
** [[sdwdate-gui|sdwdate-gui: sdwdate Graphical User Interface]]
</div>
</div>

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

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<p>{{project_name_short}} Software Tools</p>
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* [[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]]
<div></div>
* [[Software#Communications|Communications]]
* [[Software#Encryption|Encryption]]
* [[Software#Entertainment|Entertainment]]
<div></div>
* [[Software#Miscellaneous|Miscellaneous]]
* [[Orca|Orca Screen Reader]]
* [[Software#Work_on_Sensitive_Documents|Work on Sensitive Documents]]
</div>
</div>

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<p>{{non_q_project_name_short}} Only</p>
<div class="use-3-columns strict-list-columns mw-collapsible-content">
* [[RAM Adjusted Desktop Starter]]
* [[Verify the images|Verify {{project_name_short}} Images]]
<div></div>
* [[File:Virtualbox_logo.png|15px|link=VirtualBox]] VirtualBox-specific
** [[VirtualBox/Guest_Additions|VirtualBox Guest Additions and Shared Folders]]
** [[VirtualBox/Troubleshooting|VirtualBox Troubleshooting]]
</div>
</div>

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<p>{{q_project_name_short}} Only</p>
<div class="use-3-columns strict-list-columns mw-collapsible-content">
* [[File:Qubes-logo-icon.png|15px|link=]] [[File:Kicksecure-icon-logo.png|15px|link=]] [[Qubes|{{q_project_name_short}} Overview]]
<div></div>
* {{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])
<div></div>
* Security Topics
** [[{{q_project_name_short}}_Security|{{q_project_name_short}} Security]]
</div>
</div>

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<p>{{project_name_short}} Development and License</p>
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* [[Contributors|Contributors]]
* [[Credits|Credits and other Sources]]
<div></div>
* [[History|History]]
* [[{{project_name_short}}:Copyrights#License|License]]
<div></div>
* [[Reasons for Freedom Software|Why {{project_name_short}} is Freedom Software]]
</div>
</div>

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<p>Support or Contact {{project_name_short}}</p>
<div class="mw-collapsible-content">
'''New program'''! Donors are now eligible to be added to a list of our donors. Find out more about our [[Donors|Donor Recognition Program]].

<div class="use-3-columns strict-list-columns">
* [[Contact|Contact]]
* [[Contribute|Contribute]]
<div></div>
* [[Donate|Donate]]
* [[Donors|Donors Recognition]]
<div></div>
* [[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]]
</div>
</div>
</div>

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<p>Appendix</p>
<div class="use-3-columns strict-list-columns mw-collapsible-content">
* 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]]
<div></div>
* [[Limitations on Free Speech on Website and Chat|Free Speech Limitations on {{project_name_short}} Website and {{project_name_short}} Chat]]
* {{project_name_short}} Website Policies
** [[Policy_of_Website_and_Chat|Policy of {{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]]
<div></div>
* {{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]]
</div>
</div>

{{Footer}}
[[Category:Documentation]]