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TMO Quick Tip - Using Secure Empty Trash

by , 7:30 AM EDT, May 22nd, 2006

When you empty the trash to remove files and folders from your Mac's hard drive, they certainly appear to be gone, but that isn't always the case. Deleting files tells Mac OS X that it's okay to use the hard drive space the document occupies for other data, but until new data is written to that spot, the files are still there - and potentially visible to data recovery applications.

If you want to make sure that your deleted files aren't easily recoverable, try the Finder's Secure Empty Trash option instead. In Tiger or Panther, choose Finder > Secure Empty Trash. Everything that is currently in your Trash gets overwritten with junk data, making the files difficult to recover.


Secure Empty Trash makes sure your deleted files stay that way.

Secure Empty Trash is handy when you want to delete old personal records that could potentially be used to steal your identity, but don't think of it as the ultimate in privacy protection: The security measures we use today will likely be inadequate in the future as new and more powerful computing technologies are developed.


if you have ideas for Mac related tips that you think other TMO readers might find helpful.

Observer Comments

Show: Subjects Only | Full Comments
Close Name:hkbaq Posts: 8 Joined: 29 Apr 2005
Subject: isin't this a little basic

I think anyone that's had their mac for more than a day, knows this already.....

you guys are TMO.....i am sure you can come up with something better....

but anyway....nice try

Close Name:Tiger Posts: 971 Joined: 17 Jun 2003
Subject: it's for the newbys

People are converting daily to Macs. I'm helping three switchers this week alone buy new MacBooks. They surely don't know this. Reminders like these never hurt anybody.

Heck, remember when you actually had to buy a shredder software program????

View Name:Guest
Subject: I Did Not Know That
Close Name:Bryan -   TMO Staff Posts: 7332 Joined: 11 Jun 2001
Subject:

hkbaq, no matter how much you (or I) know about our Macs, there is always someone who knows more than we do, as well as someone who knows less than we do.

Our QuickTips are designed for a cross section of those users.

View Name:Guest
Subject:
Close Name:boodle Posts: 42 Joined: 13 Jun 2004
Subject: But it's so SLOOOOOOW!!!

For those who haven't got around to using this feature, and especially newbies, be warned that secure trashing takes longer, sometimes much longer, or much much longer, possibly as long as a mid-winter nap, during which time you may wonder what in heck could possibly take so long.

Meanwhile, I have a related question: is there a verification process somewhere in all this??

Close Name:Jeff Gamet -   TMO Staff Posts: 98 Joined: 15 Mar 2006
Subject:

Quote
You learn something new every day. Can you make that the default empty trash option? Or at least add it to the contextual menu?


I haven't found a utility yet that adds a Secure Empty Trash contextual menu item, but you can create your own keyboard short cut. This Quick Tip shows how to make custom keyboard shortcuts http://www.macobserver.com/tip/2006/03/08.1.shtml. If there is any interest, I'll be happy to write a Quick Tip that walks you through the process of making your own Secure Empty Trash keyboard shortcut.

Jeff

View Name:Guest
Subject: Thanks for the Hint
Close Name:les aptt Posts: 220 Joined: 19 Nov 2003
Subject:

Yes indeed, please keep the simple tips like this one coming.

View Name:Guest
Subject: ?
Close Name:LaurieF -   TMO Forum Mod Posts: 3519 Joined: 15 Jun 2001
Subject:

The chances of your getting them back if you don't have backups are not good, because of the way Unix stores its files and file structure. I'm sorry, that's how it is.

I'm sure others will correct me if I'm wrong, but the outlook is dismal.

View Name:Guest
Subject: what if it wont let me empty trash
Close Name:alexmay Posts: 1 Joined: 03 Aug 2006
Subject: Secure empty trash, email delete

I use Entourage on all three of my Macs. Is there a way to have Secure Empty Trash do its work with the deleted emails in Entourage? Is there an email client that provides secure deletions?

Thanks

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