Such encrypted volumes are not hidden.<p>An attacker in possession of the device can know that there is an encrypted
volume on it. Take into consideration that you can be forced or tricked to give
out its passphrase.</p>
<p>An attacker in possession of the device can know that there is an encrypted volume on it. Take into consideration that you can be forced or tricked to give out its passphrase.</p>
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<h2 id="comparison">Comparison between <i>LUKS</i> and <i>VeraCrypt</i></h2>
If you want to securely erasoverwrite all data on the device, choose to <span class="guilabel">**Overwrite existing data with zeroes</span>** in the **Erase** drop-down listmenu.
**Volume Name**: yYou can give a name to the partition.This name remains invisible until the partition is open but can helpyou to identify it during use.
You can open this new partition from the sidebar of the *Files* browser with the name you gave it.
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When plugginyou plug in a device containingthat has an encrypted partition, Tails does not open the partition automatically but you can do so from the file browseroffers to unlock the encryption automatically.