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Pages: 1 Smitdogg Reged: 09/18/03 Posts: 16877 Send PM Program/utility info needed #242089 - 12/28/10 08:08 PM Reply Can somebody recommend the best program for wiping space on a hard drive with 1's or 0's? I don't want to format first/reinstall Windows, I just need to delete all the confidential stuff off a couple of computers and then run a program to completely wipe the free space so there's no way the deleted stuff can be retrieved. redk9258 Regular Reged: 09/21/03 Posts: 3968 Loc: Troy, Illinois USA Send PM Re: Program/utility info needed [Re: Smitdogg] #242090 - 12/28/10 08:25 PM Reply CCleaner can do that. Download the one from the builds page that does not have the toolbar. Or use the portable version. twisty Space Lord Reged: 09/18/03 Posts: 15570 Send PM Re: Program/utility info needed [Re: Smitdogg] #242092 - 12/28/10 08:32 PM Reply > so there's no way the deleted stuff can be retrieved. I know this one is good for wiping entire drives... http://www.pcworld.com/downloads/file/fid,22920-order,1-page,1-c,alldownloads/description.html But if you just wanna wipe the free space without zapping the OS, then use Hard Disk Scrubber. CrapBoardSoftware My real name is banned dickhead Reged: 01/03/06 Posts: 1250 Loc: Wisconsin Send PM Re: Program/utility info needed [Re: Smitdogg] #242094 - 12/28/10 08:47 PM Reply http://portableapps.com/apps/utilities/eraser_portable lharms MAME Fan Reged: 01/07/06 Posts: 908 Send PM Re: Program/utility info needed [Re: Smitdogg] #242126 - 12/29/10 03:34 AM Reply SDelete from sysinternals wipes all free space in a windows partition. Followed up by a defragment of your drive. If you want to nuke the whole drive get a linux boot disk and use dd and copy from /dev/random. Unless someone gets a scanning electron microscope it is very unlikely they will get anything from your drives after either one of those. If you are really paranoid (and there is no reason to be) just put both of them in a loop and do it 10 or so times. Smitdogg Reged: 09/18/03 Posts: 16877 Send PM Thanks but... [Re: Smitdogg] #242127 - 12/29/10 03:46 AM Reply Thanks all but the person I got the computers from decided the only way he'd feel ok with it is if the hard drives were destroyed. So I got 4 decent computers (1 with a C2D!) for free, sans any hard drives. And I should get another one with C2D in a couple of months. Master O Yes, Even Parodius Music Reged: 11/20/06 Posts: 1332 Send PM Re: Program/utility info needed [Re: Smitdogg] #242128 - 12/29/10 04:02 AM Reply > Can somebody recommend the best program for wiping space on a hard drive with 1's or > 0's? I don't want to format first/reinstall Windows, I just need to delete all the > confidential stuff off a couple of computers and then run a program to completely > wipe the free space so there's no way the deleted stuff can be retrieved. If you do go for wiping an entire drive though, I've heard good reviews for Darik's Boot and Nuke, as well. "Note to Noobs: We are glad to help you but simply posting that something does not work is not going to lead to you getting help. The more information you can supply defining your problem, the less likely it will be that you will get smart-alec replies. C.D.~" lharms MAME Fan Reged: 01/07/06 Posts: 908 Send PM Re: Thanks but... [Re: Smitdogg] #242131 - 12/29/10 04:35 AM Reply Show them these. http://en.wikipedia.org/wiki/Data_recovery#Overwritten_data http://www.anti-forensics.com/disk-wiping-one-pass-is-enough http://www.anti-forensics.com/disk-wiping-one-pass-is-enough-part-2-this-time-with-screenshots http://computer-forensics.sans.org/blog/2009/01/15/overwriting-hard-drive-data/ Or in other words. No one has done it. There is a paper out there that says it 'might' be possible. But no one has proven that it is. In fact quite the contrary. If it where possible there would be dozens of data recovery companies out there advertising that they do exactly that. None do. The paper itself even states it would be nearly impossible to fully recreate a usable hard drive. One pass with random would be more than enough. Most of the time I use sdelete is just to 0 out sectors so I can reclaim space in virtual machines. Edited by lharms (12/29/10 05:21 AM) DMala Sleep is overrated Reged: 05/09/05 Posts: 3989 Loc: Waltham, MA Send PM Re: Thanks but... [Re: Smitdogg] #242141 - 12/29/10 06:10 AM Reply > Thanks all but the person I got the computers from decided the only way he'd feel ok > with it is if the hard drives were destroyed. So I got 4 decent computers (1 with a > C2D!) for free, sans any hard drives. And I should get another one with C2D in a > couple of months. Considering you can get a 1TB drive for < $80 these days, sounds like a pretty good deal. Pages: 1

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