Pros & Cons of FileVault

I'm wondering what the group thinks about FileVault? I haven't used it. I have two files on my computer that, if it were ever lost or stolen, would put information out there that I would rather keep to myself.
An overall Pro/Con discussion would be great.
Thanks.
Chip

Hi, Chip.
You're wise to ask.
I recommend that one only implement FileVault if you really need that level of security:• You have a laptop and travel with it.
• You share a Mac with others or your Mac is in an office easily accessible by others and you have personal, confidential information on such that must be protected across your Home folder.In lieu of FileVault, you can always protect data selectively using an encrypted disk image.
The key risk with FileVault is that you put "all your eggs" in one encrypted disk image. If a bad sector or block develops on the hard drive where the encrypted Home folder resides, your data is toast. Having a comprehensive Backup and Recovery solution, and using it regularly, is critical for all users, and especially important if you use FileVault. Most backup and recovery utilities require that you backup a FileVault-protected Home folder separately from the rest of your hard drive. If you use FileVault, I recommend you backup your encrypted Home folder daily.
Some additional advice should you elect to use FileVault:• Before implementing FileVault:• Check your disk thoroughly. At a minimum, run Steps 1-3 of the procedure in my Resolving Disk, Permission, and Cache Corruption FAQ.
• You must have sufficient free space on your hard disk in order to enable FileVault. You need free disk space at least a bit larger than your Home folder in order for the encryption process to take place. That process copies your current Home folder into an encrypted, sparse disk image file (,sparseimage) — hence the need for the free space — and then securely erases your original, unencrypted Home folder when the copy has completed successfully.• Do not lose the Master Password for your Mac. This must be set in order to enable FileVault and is essential to recovering any encrypted Home folders on your Mac should a user forget their account password. The Master password should again be a "good" password: hard to guess or discern from publicly-available information about you.
• To avoid performance problems when using iMovie and either of Final Cut Pro or Express, save project-related files, scratch disks, and other linked media outside your Home folder. See:• “iMovie: Using FileVault Can Affect Performance.”
•“Final Cut Pro and Final Cut Express: About Using FileVault.”
• Repairing your encrypted Home folder requires special instructions.
• To disable FileVault, you again need free disk space greater than or equal to the size of your encrypted Home folder. In disabling FileVault, your Mac first copies the contents of your Home folder from the encrypted Sparse image to a new Home folder — hence why so much free space is required — and then securely erases the encrypted Home folder.Note that some of the information above is from the "Security" chapter of my book, Troubleshooting Mac® OS X, Tiger Edition.
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

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