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Copy Before Submitting Web Forms

Filling in Web forms (like the one used to submit this tip) can be a bit of a gamble - you put in your pearls of wisdom, perhaps only to lose them all if the Web page flakes out or the browser crashes. Instead of losing all your text, "save" it by pressing Command-A to select all and then Command-C to copy the selected text to the clipboard. Do this periodically as you type and before you click Submit, and you may "save" yourself from a lot of frustration. It takes just a second to do, and the first time you need to rely on it to paste back in lost text, you'll feel smart.

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Larry Leveen

 
 

FileVault 2 Hides Data in Plain Sight

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Apple significantly improved how your Mac’s vital data can be protected in Mac OS X 10.7 Lion by taking the FileVault encryption system that covered only user directories and expanding its scope to full-disk encryption. FileVault 2 encrypts the entire contents of your startup disk (the boot partition, that is). When you start up a Mac with FileVault 2 enabled, you’re actually booting from Lion’s Recovery HD partition; when you enter an account’s login name and password (one you previously enabled as being accessible to the FileVault login), the boot process activates the encryption key used to protect the startup partition, and off you go.

I recently wrote at length about using FileVault 2 for Macworld, detailing the risks involved and how to prepare before turning on encryption. I also explained how to encrypt non-boot partitions and drives using Disk Utility and the command line in Terminal.

After I wrote that article, Apple released Mac OS X 10.7.2, which includes iCloud support and the Find My Mac service. With the help of a commenter, I discovered — and documented in a second article at Macworld — that using FileVault 2 in conjunction with a new Guest User account option at startup could trick a laptop thief into connecting to a Wi-Fi network and revealing the Mac’s location. In fact, just powering up the system will do the trick. In short, Apple has crafted a honey pot to lure thieves into Find My Mac’s net.

 

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Comments about FileVault 2 Hides Data in Plain Sight
(Comments are closed.)

LCPGUY  2011-11-18 09:55
How much does it slow down your Mac?

So far I've had good luck with protecting my data via encrypted sparse disk images. Shoud I still consider FileVault for my iMac?
Glenn Fleishman  An apple icon for a TidBITS Staffer 2011-11-18 18:02
I've been running it on an Air for several weeks and I can't see any pattern of slowdown. I have not run benchmarks. Encryption is handled entirely through specialized circuitry unlike the old days.