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All Forums > Tech Talk > Tech Talk Forum Page 57 > Hard Drive Erase
AuthorPost
Coyote
Member

Daylight Savings Time, is it really Necessary?
972 Posts
3/04
Posted - May 24 2004 : 12:05AM
Hey all!

Looking for something that works really well that will wipe the fuck out of my hard drive. I would like to download something for free but if I have to buy it then I guess I have to. Thanks in advance!!

Em
Member

198 Posts
4/04
Posted - May 24 2004 : 12:29AM
You sure?

The "format c:\" command is still a good ol' boy you can trust.

You sure? :)

Em

Hardware All-Star Supporter
All-Star Member

Your other left
14594 Posts
3/02
Posted - May 24 2004 : 12:38AM
If I didn't want to use the hard drive again then I would get a strong magnet and run it over the drive platter several times. That'll do the trick.
lurflurf
Member

115 Posts
10/03
Posted - May 24 2004 : 1:03AM
Format leaves the data, it just destroys the file structure. The data can be recoved.
FallofBecause
Member

Do you have a masturbation escape plan?
251 Posts
10/03
Posted - May 24 2004 : 1:34AM
A low level format may be your best option, but only as the last resort. This will nuke the crap out of your HD, and literally fill all the hard disk sectors with zeros and therefore give it a clean slate.

I used a zero fill utility once and it worked wonders, but can't remember the site. In the meantime, try this site

 
Evil_Rip
Senior Member

Power overwhelming
1117 Posts
12/99
Posted - May 24 2004 : 1:39AM
Saki
At-Large

2087 Posts
11/99
Posted - May 24 2004 : 1:51AM
It really depends on how serious you are about destroying the data. After all, the government and corporations routinely recover data from hard drives, tapes, etc. that have gone through quite a bit (i.e. burned, crashed, submerged, deleted, erased, smashed, etc.).

Even utilities that write random data or zeroed bits will not always get rid of the information, since there's a residual magnetic shadow that may allow someone to read what was there.

- Saki [faqs]

Em
Member

198 Posts
4/04
Posted - May 24 2004 : 4:05AM
If he is going to present the HDD to the authorities, he better buy the cheapest replacement for that purpose instead of investing in utilities.

Unless he is raided by FBI every week. That, indeed, is a different level of need.

Em

Kperv
The Cuddler

*struck
(She slipped)

1818 Posts
1/04
Posted - May 24 2004 : 2:10PM
If you just want to put the data out of reach of software based recovery programs, you could simply delete all the files (format should do nicely) and then repeatedly append a couple of files to each other until the drive is full.

Otherwise a more 'hardware' (as in hardware store) based solution would be needed. A nice sledgehammer perhaps.

Evil_Rip
Senior Member

Power overwhelming
1117 Posts
12/99
Posted - May 25 2004 : 2:37AM
Yup using them electron microscopes to scan what's left there. But I think doing a government wipe should make it beyond hardware recover. Just to be on the safe side you can Government wipe it 3 or more times just to be sure....
snowman872
RainCoatReviews.com

400 Posts
6/00
Posted - May 25 2004 : 3:31AM

Here's a few programs to check out ...

-- Snowman

http://www.cyberscrub.com/

CyberScrub is a high level military grade security application designed to help you completely eliminate sensitive information from your computer, protect your Internet privacy, and enhance system performance. CyberScrub also functions as a wonderful clean up utility by removing useless files (.bak, .chk, etc) that slow down your computer.

CyberScrub defeats software and hardware forensic recovery tools. Utilizing multiple methods that exceed standards set by the U.S. Department of Defense (DOD 5220.22), CyberScrub is designed to defeat the most advanced forensic software and hardware recovery techniques. Supports Internet Explorer, Netscape, Opera, AOL, MSN, and more. A ZD Net 5-Star Editor's Pick!

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http://www.micro2000.com/eraserdisk/index.php

Protect the security and privacy of your confidential data. Sterilize old hard drives with EraserDisk, the professional disk erase tool that includes a utility for low-level formatting the disk, and exceeds the government’s security requirements of DoD 5520.22-M, the most prevalent standard for cleaning a hard drive.

Wipe the hard drive clean with up to seven disk erase passes that over-write with varied data, including a low-level format for complete sterilization, and use the test utility to make sure you’ve really wiped that drive clean.

Don’t dispose of an old hard drive that still might contain confidential information such as credit card and social security numbers, legal, financial or medical information, or any other data that you would prefer to keep private. Before you let go of that disk , erase the data thoroughly and leave that drive clean as a whistle!

The only safe and secure disk drive is a sterilized drive, and only EraserDisk provides simple but complete drive cleaning to the highest security standards.

This month PC World featured an article where 10 hard drives were bought or salvaged and all but one of them still contained personal information of the previous user! Click Here to read the article

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http://www.r-wipe.com/

R-Wipe & Clean is a complete solution to wipe useless files and keep your computer privacy. Irretrievably deletes private records of your on- and off-line activities, such as temporary internet files, history, cookies, autocomplete forms and passwords, recently opened documents list, Explorer MRUs, temporary files, etc. and free up your disk space. Wipes files and unused disk space using either fast or secure erase algorithms. All files and folders may be combined in wipe lists to erase them in a single procedure. Supports both the FAT and NTFS file systems. All separate wiping and cleaning tasks can be combined in one or more erasing procedures launched immediately or at predefined times or events as a background task.

Coyote
Member

Daylight Savings Time, is it really Necessary?
972 Posts
3/04
Posted - May 25 2004 : 4:00AM
I have been raided so many times by the FBI that I go on cookouts and boating trips with them...hahaha...No I just wanted somthing that would clear my HD..thanks for the help you all..I'll have to check out those links!!

daviangel
Member

Only time I would buy a girl flowers is if she was in the hospital
455 Posts
1/04
Posted - May 25 2004 : 10:42AM
If you just want to give your harddrive to your average computer user etc your best bet is to download the bootable harddisk utility specific to your drive maxtor,western digital,etc and do a low level format format on that and it's free.
On the otherhand if you want to give your the drive to some nosy neighbors or anyone that you think might have a clue as far as computers go you should probably look at some of the utilities already mentioned that will let you rewrite 0's over the data on the drive at least 1 hex or more.
Now if you talking about the man,govt,cia,fbi,etc getting their hands on your harddrive there is noway you can completely erase the harddrive where they won't be able to recover the data. Your only choice is complete physical destruction of harddrive and I'm talking no pieces left at all so maybe dumping it into a molten lava or something like that.
p.s. and don't believe any software that claims to this:
"CyberScrub defeats software and hardware forensic recovery tools. Utilizing multiple methods that exceed standards set by the U.S. Department of Defense (DOD 5220.22), CyberScrub is designed to defeat the most advanced forensic software and hardware recovery techniques. Supports Internet Explorer, Netscape, Opera, AOL, MSN, and more. A ZD Net 5-Star Editor's Pick!

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http://www.micro2000.com/eraserdisk/index.php

Protect the security and privacy of your confidential data. Sterilize old hard drives with EraserDisk, the professional disk erase tool that includes a utility for low-level formatting the disk, and exceeds the government’s security requirements of DoD 5520.22-M, the most prevalent standard for cleaning a hard drive."
cuz I used to work with top secret harddrives and officially there is no software that will wipe/erase the harddrive so they can never be downgraded for use in normal computers or sold to the public and be destroyed. The info they quote is outdated info used before the latest recovery techniques that are now available to fbi,cia,etc.

Deputy Secretary of Defense Paul Wolfowitz has rescinded a January 2001 Department of Defense (DoD) policy calling for destruction of all unclassified computer hard drives leaving departmental custody. A DoD press release reports that the minimum requirement for equipment leaving DoD custody or control calls for computer hard drives to be overwritten, not completely destroyed. Degaussing and destruction alternatives are still authorized when there is particular concern about the sensitivity of data used on the machine. The long-standing practice of destroying hard drives on computers with classified information remains in place. The new policy will make more computers available for schools and other worthy organizations. The new policy direction, "Disposition of Unclassified DoD Computer Hard Drives," is at this Hot Topics page.

Edited by - daviangel on 5/25/2004 10:56:39 AM

Em
Member

198 Posts
4/04
Posted - May 25 2004 : 10:57AM
I think that Hardware 's advice is the best, and the most reliable, thus far.

Em

daviangel
Member

Only time I would buy a girl flowers is if she was in the hospital
455 Posts
1/04
Posted - May 25 2004 : 11:11AM
if you believe that might as well use thermite bricks on your hard drive.LOL
Degaussing of disk media is somewhat more difficult - even older hard disks generally have a coercivity equivalent to Class III tapes, making them fairly difficult to erase at the outset. Since manufacturers rate their degaussers in peak gauss and measure the field at a certain orientation which may not be correct for the type of medium being erased, and since degaussers tend to be rated by whether they erase sufficiently for clean rerecording rather than whether they make the information impossible to recover, it may be necessary to resort to physical destruction of the media to completely sanitise it (in fact since degaussing destroys the sync bytes, ID fields, error correction information, and other paraphernalia needed to identify sectors on the media, thus rendering the drive unusable, it makes the degaussing process mostly equivalent to physical destruction). In addition, like physical destruction, it requires highly specialised equipment which is expensive and difficult to obtain (one example of an adequate degausser was the 2.5 MW Navy research magd by a former Pentagon site manager to degauss a 14" hard drive for 1« minutes. It bent the platters on the drive and probably succeeded in erasing it beyond the capabilities of any data recovery attempts [20]).

Edited by - daviangel on 5/25/2004 11:15:17 AM

 
Em
Member

198 Posts
4/04
Posted - May 25 2004 : 11:29AM
Well, it all depends on how committed Coyote is. I will be replacing my hard drive soon, so I will explore the possibilities and report :)

And that comes from a nut who, before throwing CDR-s away, runs them through a screwdriver first...

Em

daviangel
Member

Only time I would buy a girl flowers is if she was in the hospital
455 Posts
1/04
Posted - May 25 2004 : 11:34AM
then you'll probably enjoy:
Ramzi’s back with a mission: impossible self-destructing laptop
Coyote
Member

Daylight Savings Time, is it really Necessary?
972 Posts
3/04
Posted - May 26 2004 : 5:20AM
LOL, I do the same thing with my cd's. Actually I had a worm on my laptop and wanted to wipe everything off. Yeah I know I'm a little paranoid but hey what would be the harm. At any rate you all gave me some great info, thanks.

P.S. I know that nothing will totally erase your hard drive so that nothing can be recovered..I knew someone who got busted for child porn....the sap got what he deserved!!

Kperv
The Cuddler

*struck
(She slipped)

1818 Posts
1/04
Posted - May 26 2004 : 12:12PM
Well if that's all, I would just fdisk and format the drive, and then fill it up with dummy data.
No need for wiping tools.

Remember 'fdisk /MBR' to make sure you don't leave any boot sector virus around.

I usually hold them down in the garbage bin with one hand and fold them together. They break apart easily but little shards fly all over the place.
Paranoid? Me??? Why do you ask???!!!



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