Of course, you can encrypt data on your hard disk, but this only helps if your computer is stolen.

当然，你可以在硬盘上加密，但这只会在你的电脑被盗时才有用。

youdao

Javier Rebolledo, author of a book about human rights violations carried out by the secret police under military rule, had his computer hard disk stolen and Cristobal Pena, who wrote a political thriller set in the Pinochet era, had his entire computer stolen, Mr Weibel told Chilean radio.

BBC: Chile journalist denounces military rule research theft