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Thread: hard drive

  1. Junior Droid
    loosecannon39's Avatar
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    #1

    hard drive

    curious about the security of droid system. i have Ee on my pc, but wonder how secure are items erased from storage device like the droid uses??? Specifically, is it easier , harder, or no difference for computer forensic pros to retrieve info that was deleted from each????
    TKS
    DAN
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  3. Premium Member
    Backnblack's Avatar
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    #2
    I would say No Difference...
    A gun in the hand is better than a cop on the phone.

    Only the Skilled Survive

    A computer lets you make more mistakes faster than any invention in human history - with the possible exceptions of handguns and tequila.

    Drill Sergeant Frick's Rules For Un-armed Combat.
    1. Never be unarmed.
    2. See Rule #1

    USMC rule # 23 of gunfighting: Be polite, be professional, but have a plan to kill everyone you meet.



  4. Master Droid
    jimnutt's Avatar
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    #3
    Typically flash memory systems never truly delete anything until they have to. Flash has a limited number of write cycles (it's very high, but it is limited), so what happens is that the OS always tries to write to a spot on the flash that's been written to the least. Deleting something just unlinks it from the file system, but the data is still there on the flash driver. I'm sure there are utilities out there that can scrub a flash drive (write zeros to every location), but I don't know what they would be. I'm thinking it would be pretty much impossible to recover data after that's been done.
  5. Senior Droid
    MonkeyTime's Avatar
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    #4
    I'm not sure about flash memory, but hard drives can be read after they've been written over multiple times. It's very expensive, but can be done.
  6. Master Droid
    jimnutt's Avatar
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    #5
    Very different technologies. The magnetic field used to write to a hard drive leaves a residue that can be read even after it's been overwritten a few times. Flash memory doesn't really have a residue. There's a good article at how stuff works.

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