I just saw this question: I have an external 3Tb Hard drive formatted as Mac OS Extended (Journaled, Encrypted) with 10.7.1. Just wondering if 10.6 can also access this external hard drive ?
And saw this answer: I strongly recommend against encrypting anything unless you really really really have to. The only one it will ultimately keep away from your data is yourself.
It’s stupid answers like this that allow people to lose their identity when their phone, computer or harddisk is stolen. By encrypting your data you are wisely protecting your data from theft, and ensuring that when you do suffer the loss of a device you don’t compound that loss with your identity or other valuable data. It is in exceptional circumstances that you lose your data due to the encryption, this is not likely to happen.
The first thing I do on my computer is set up an encrypted disk, you should too.