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Everything you do disappears automatically when you shut down Tails.
But you can save some of your files and configuration in an encrypted Persistent Storage on your Tails USB stick, for example:
- Your documents - Your Wi-Fi passwords - Your brower bookmarks - ...
Everything in the Persistent Storage is encrypted automatically.
<p>The Persistent Storage is not hidden. An attacker in possession of your USB
stick can know that there is a Persistent Storage. Take into consideration that
you could be forced or tricked to give out its passphrase.</p>
The encryption of the Persistent Storage uses LUKS and DMCrypt.
[LUKS](https://gitlab.com/cryptsetup/cryptsetup/) and [DMCrypt](https://gitlab.com/cryptsetup/cryptsetup/-/wikis/DMCrypt) are the standard system for disk encryption in Linux. Tails uses their default encryption parameters, which are considered highly secure. This is the same technique as we recommend for [[creating and using encrypted volumes|doc/encryption_and_privacy/encrypted_volumes]] in general.
<p>The weakest point of such encryption is often the passphrase chosen by
the user.</p>
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