Tails Operating System Privacy for anyone anywhere

Tails Operating System Privacy for anyone anywhere

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InstallTails 3.13.12019-03-23

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amnesia, noun:
forgetfulness; loss of long-term memory.
incognito, adjective & adverb:
(of a person) having one's true identity concealed.

Tails is a live system that aims to preserve your privacy and anonymity. It helps you to use the Internet anonymously and circumvent censorship almost anywhere you go and on any computer but leaving no trace unless you ask it to explicitly.
It is a complete operating system designed to be used from a USB stick or a DVD independently of the computer's original operating system. It is Free Software and based on Debian GNU/Linux.
Tails comes with several built-in applications pre-configured with security in mind: web browser, instant messaging client, email client, office suite, image and sound editor, etc.

Online anonymity and censorship circumvention

Tor

Use anywhere but leave no trace

State-of-the-art cryptographic tools

What's next?

Press and media

Social Contract

Acknowledgments and similar projects

Contact

Online anonymity and censorship circumvention

Tor

Tails relies on the Tor anonymity network to protect your privacy online:

all software is configured to connect to the Internet through Tor

if an application tries to connect to the Internet directly, the connection is automatically blocked for security.

Tor is an open and distributed network that helps defend against traffic analysis, a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security.
Tor protects you by bouncing your communications around a network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, and it prevents the sites you visit from learning your physical location.
Using Tor you can:

be anonymous online by hiding your location,

connect to services that would be censored otherwise;

resist attacks that block the usage of Tor using circumvention tools such as bridges.

To learn more about Tor, see the official Tor website, particularly the following pages:

Tor overview: Why we need Tor

Tor overview: How does Tor work

Who uses Tor?

Understanding and Using Tor — An Introduction for the Layman

To learn more about how Tails ensures all its network connections use Tor, see our design document.

Use anywhere but leave no trace

Using Tails on a computer doesn't alter or depend on the operating system installed on it. So you can use it in the same way on your computer, a friend's computer, or one at your local library. After shutting down Tails, the computer will start again with its usual operating system.
Tails is configured with special care to not use the computer's hard-disks, even if there is some swap space on them. The only storage space used by Tails is in RAM, which is automatically erased when the computer shuts down. So you won't leave any trace on the computer either of the Tails system itself or what you used it for. That's why we call Tails "amnesic".
This allows you to work with sensitive documents on any computer and protects you from data recovery after shutdown. Of course, you can still explicitly save specific documents to another USB stick or external hard-disk and take them away for future use.

State-of-the-art cryptographic tools

Tails also comes with a selection of tools to protect your data using strong encryption:

Encrypt your USB sticks or external hard-disks using LUKS, the Linux standard for disk-encryption.

Automatically use HTTPS to encrypt all your communications to a number of major websites using HTTPS Everywhere, a Firefox extension developed by the Electronic Frontier Foundation.

Encrypt and sign your emails and documents using the de facto standard OpenPGPeither from Tails email client, text editor or file browser.

Protect your instant messaging conversations using OTR, a cryptographic tool that provides encryption, authentication and deniability.

Securely delete your files and clean your diskspace using Nautilus Wipe.

Read more about those tools in the documentation.

What's next?

To continue discovering Tails, you can now read:

the warning page to better understand the security limitations of Tails and Tor,

more details about the features and software included in Tails,

our installation instructions to download and install Tails,

our documentation explaining in detail how to use Tails,

some hints on why you should trust Tails,

our design document laying out Tails specification, threat model and implementation,

the calendar that holds our release dates, meetings and other events.

Press and media

See Press and media information.

Social Contract

Read our Social Contract.

Acknowledgments and similar projects

See Acknowledgments and similar projects.

Contact

See the contact page.

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