<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>
[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.