http://wikipewt4n75trifcse2ggaieot27svognl7idu6xmmqn37kf64rvsyd.onion/index.php/Intrusive_Surveillance
Given the amount of work involved in doing it yourself , I would suggest trusting Apple and going the FileVault route. Windows In Windows, everything is easy. Unfortunately, everything also sucks. For some reason, Windows implements encryption at the filesystem layer, and you can enable it by right clicking on a file/folder and going to Properties->Advanced .