How to Use FileVault to Protect Your Data
Posted 07/05/2011 at 11:15am
| by Cory Bohon
I just got a new iMac; however, I’m afraid that my boyfriend who works as a Genius at an Apple Store will be able to “hack it” and go through my files in my account. How can I protect myself from my boyfriend who is a Mac expert? Help me!
Mac has security features built right in that can help prevent snoops from gaining access to your important data. Your first defense is to disable automatic login. To do this, navigate to System Preferences > Accounts > Login Options. From the Automatic Login drop-down menu, select Off. While you’re here, select your user account and set a password if you haven’t already.
But any Apple Genius worth their salt will be able to get around a login password without even breaking a sweat. To truly lock down your data, you should turn on FileVault, which encrypts your entire Home folder, keeping anyone from perusing your files by connecting it to another computer and using Target Disk Mode to browse your machine. To enable FileVault, navigate to System Preferences > Security > FileVault.

FileVault can lock your data up tight. Just don’t forget your master password.
If you really want to thwart a potential intruder, you’ll also have to set a firmware password to prevent someone from booting up your Mac with an OS X install disk and then using the Password Reset Utility to change your account passwords. To set a firmware password, boot up from your OS X disc, and then choose Utilities > Firmware Password Utility.
Don’t forget that the weak link in all of these precautions is your password. So make it complicated, make it long, and make sure it’s not something that your sneaky boyfriend can easily guess.
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