![]() ![]() This is a good idea, since if you forget your password you won’t be able to access any of your files. A dialog will display a “recovery key,” and offer to store this with Apple. Click on Turn On FileVault to turn FileVault on again.Click on Turn Off FileVault to turn off FileVault.(You may see a dialog when opening this preference page saying that “You are using an old version of FileVault.” If you do, click on Turn Off Legacy FileVault and skip step 3.) Click on the padlock and enter your administrator’s password to be able to make changes. Next, open System Preferences from the Apple menu and click on the Security & Privacy icon.First, back up your Mac to protect against any possible data loss.If you are using FileVault, and had been using it prior to Lion, here’s what you can do to protect your Mac and your files. And, as Emil Protalinski of ZDnet points out, “it would be possible for cyber criminals to write very specific malware that knows where to look on a targeted system.” ![]() While that may seem like gibberish to many readers, you can be sure that plenty of malicious users know exactly what that means. The log in question can also be read by booting the machine into firewire disk mode and reading it by opening the drive as a disk or by booting the new-with-LION recovery partition and using the available superuser shell to mount the main file system partition and read the file. To be fair, it’s not entirely simple for someone to break into a Mac by accessing this file. If you only turned on FileVault in Lion, then you are safe. However, this only seems to apply to users who had FileVault turned on before the release of OS X Lion. According to Emery, “Someone, for some unknown reason, turned on a debug switch” in Mac OS X 10.7.3, which has the effect of writing a log containing your FileVault password in plain text form. Security researcher David Emery has discovered a bug in Mac OS X 10.7.3 that may expose your FileVault password. ![]() If you use Apple’s FileVault to encrypt your Mac’s hard drive, you should be careful. Security News FileVault Bug Exposes User Passwords
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