Websites that you visited, even in private mode

Files that you opened, even if you deleted them

Passwords, even if you use a password manager

All the devices and Wi-Fi networks that you used

<i>Tor Browser</i> with <i>uBlock</i>, a secure browser and an ad-blocker

<i>Thunderbird</i>, for encrypted emails

<i>LibreOffice</i>, an office suite

Applications are blocked automatically if they try to connect to the Internet without Tor.

Everything in the Persistent Storage is encrypted automatically.

A single relay never knows both where the encrypted connection is coming from and where it is going to:

Additional software

Installing from an infected computer

Running Tails on a computer with a compromised BIOS, firmware, or hardware

But your Tails might be corrupted if you install from a compromised operating system. To reduce that risk:

If you worry that a computer might be modified:

Sharing files with metadata, such as date, time, location, and device information

Using Tails for more than one purpose at a time

Many files contain hidden data, or metadata:

Hiding that you are using Tor and Tails

Protecting your online communications from determined, skilled attackers