wiping hd

Discussion in 'OT Technology' started by NCS, Feb 25, 2008.

  1. NCS

    NCS Active Member

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    i'm giving a computer back to my employer and i want to totally wipe the hd, but its a laptop, so is there a program that does this booted from a floppy (or cd?). something with a multiple-pass wipe (gutmann or whatever).

    whats the program to use?

    thanks
     
  2. crontab

    crontab (uid = 0)

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  3. P07r0457

    P07r0457 New Member

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    nothing is truely effective short of a 12ga or something similar.
     
  4. dissonance

    dissonance reset OT Supporter

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    I don't know of any but haven't ever looked. But you can do you best by wiping all but the OS with a multipass drive wiper.

    Or you could buy a new drive for it and buy a case and use the one in there and use it as an external
     
  5. Wolf68k

    Wolf68k OT Supporter

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  6. NCS

    NCS Active Member

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    thats the name i was looking for, thanks.

    whats a 12ga???
     
  7. dissonance

    dissonance reset OT Supporter

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  8. Doc Brown

    Doc Brown Don't make me make you my hobby

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  9. trouphaz

    trouphaz New Member

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    [​IMG]
     
  10. mr_barbra

    mr_barbra New Member

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    you might stratch the screen with that though
     
  11. etech

    etech New Member

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    Some people are a little too paranoid.

    If you wipe your hard drive or even just use a zero fill utility the data will be gone unless someone has access to a data recovery center where they take the platters out of the drive, read them on specialized and expensive equipment and then use a lot of computer time to reconstruct the data.

    Unless you have the FBI, CIA or foreign government after you, that ain't going to happen.

    If it makes you feel better to use a 9 pass wiper, go for it, but one pass is enough.

    The 12 ga is just ridiculous.
     
  12. trouphaz

    trouphaz New Member

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    i agree with you wholeheartedly. when i left my most recent job i just reinstalled the OS (one was just with a standard image from the company and the other was OSX on my laptop). i had been there for years and knew for a fact that no one looked at those systems when you handed them back in. they just gave them to someone else to use and those people generally didn't give a shit what the last guy was doing.
     
  13. P07r0457

    P07r0457 New Member

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    it is the ONLY effective way to protect the data.
     
  14. XR250rdr

    XR250rdr OT Supporter

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    It sounds like a company computer though.
     
  15. P07r0457

    P07r0457 New Member

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    then he should have anything on it that they shouldn't know about :hsugh:
     
  16. XR250rdr

    XR250rdr OT Supporter

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    Definitely so, I was just pointing out that a shotgun might not be a viable solution in this case.

    He should be able to just clear the browser history & cache, make sure any necessary documents are backed up to CD or flash drive and return the thing.

    If I had a user return a laptop to me with the drive wiped I wouldn't be too happy about it.
     
  17. etech

    etech New Member

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    ONLY if an agency that has the thousands of dollars to spend on a data recovery center is after the data, otherwise a wipe or zero fill is more then sufficient.

    But if that is your need, a 12 ga is not that effective. A furnace that will melt the platters would be a much better choice.

    If you need to turn a computer back in to corporate, runing ccleaner and a freespace wipe would probably be good.
    http://www.google.com/search?q=wipe...s=org.mozilla:en-US:official&client=firefox-a
     
  18. NCS

    NCS Active Member

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    i have nothing i need to hide but being in a computer savvy company all i wanted to do was prevent undeleter programs from getting cached images, whatever. no big deal.

    if i actually want to "destroy" a hard drive in the future, i'll think about the 12 guage option. in a country where i can't have a gun, is there some other easy alternative to destroy the plates? lol
     
  19. Sexual Vanilla

    Sexual Vanilla New Member

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    So I'm curious...how can a data center recover data if the hard drive has been zero filled?
     
  20. zero xeal

    zero xeal Guest

    you sir are the winnar
     
  21. Doomsday

    Doomsday XXX

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    the way zero filling works is that as it formats the drive, it replaces all 1s to 0s. the old 0s will stay the way it is, as old 0s.

    the way to recover from that is to find out which 0s are new,... take those out,... leaving the old 1s and 0s.

    one needs special tools and equipment to do this. the way to diffrentiate the old and new 0s involves a process of reading the density of the drive's magnetic fields.
     
    Last edited: Feb 27, 2008
  22. Sexual Vanilla

    Sexual Vanilla New Member

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    That's interesting...but wouldn't a shotgun to the hard drive create the same problem? You'd still have your data on the drive, just in many different pieces.
     
  23. Doomsday

    Doomsday XXX

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    well,.. if the platter is damaged beyond repair,... it's unreadable.
     
  24. wabash9000

    wabash9000 Active Member

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    not really. there are some security experts that claim that unless you gind the platers up in to chucks that are 1/10 of a mm arround there is still the ablity to peice your data back together. Dban 10 times then 12 ga then industral grinder, then maybe, just maybe your data is gone.
     
  25. Doc Brown

    Doc Brown Don't make me make you my hobby

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    I remember seeing something about parts of data being recoverable from a physically broken disc using an electron microscope.

    But with after a close shot from a 12ga? Maybe not.
     

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