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Erasing Hard Drive Securely and Destroying Data

Updated on August 17, 2016

Erasing Data Forever, Point of No Return

In the world of data, typically one would be thinking mostly how to prevent data lose or have a disaster recovery plan in the event data is lost. Today, is the opposite, what do we do at the end of the life of hard drive or data storage device? One thing to know is, never let your data in the hands of another unless you have full assurance it will be destroyed. This hub will cover some of the methods used to ensure data is no longer recoverable on a hard disk drive or storage media.

How to Destoy Data on a Hard Drive

Many people get the wrong impression that when they press delete on their keyboard, a file is assumed gone, when it is still very easy to recover using even the simplest recovery programs. Erasing is a term used to mean utterly gone, not deleted. So below I am going to share with you a couple of ways to "erase" your hard drive.

First: Why would anybody want to erase data?

  • Your a criminal and want to cover your tracks.....hope not.
  • You are going to be giving the computer to someone else.
  • You are disposing of the computer and don't want someone to find personal files.
  • You are clearing the drive to reinstall the operating system and want a really clean slate to start over with.

So, onto the destruction, below is the order in which I recommend. Be advised that some of the methods below are considered dangerous, and one should exercise extreme caution and all safety measures when using them. Nobody, under the age of 18 should do the dangerous methods without adult supervision of an adult.

Types of Hard Drive Erasing Methods

Professional Service for Businesses:

  • There is no business that can afford to allow company or employee data fall into the wrong hands. That is why Drive Savers is highly recommended to securely, and effectively destroy you data. This company also recovers data (irony isn't it?) as well. You can contact them at 800-440-1904 with discount code DS16416 or visit them on the web.
  • Industrial Shredder Service, much like what they use for ripping cars to little morsels, this can be done with hard drives too. Check with your local recycling facility to see if the service is available.

Personal/Residential Methods:

  • If you plan on re-using the drive, then write all zeros back to the hard drive and format it to the operating system of choice. This is a basic, but effective method. The zero writing utility is provided by your specific hard manufacturer, normally in their downloads section on their website.
  • Torching the drive can be fun, but is dangerous. If you disassemble the drive, you can take a blow torch to the platters until they warp and melt. Somebody pass the marshmallows please?
  • Driving drill holes (prefer 3/8" min.) through the drive platters will render the drive useless, but still isn't as effective as torching it. This method isn't as dangerous as torching, but is still dangerous. Suggest clamping the drive firmly into a bench clamp, it isn't impossible to break a finger or wrist if the drive goes spinning as fast as the drill bit is spinning.
  • If you happen to have a degausser device (very expensive typically) then on a conventional hard drive, this can be used. This will demagnetize the drive, thus rendering data useless.
  • Target practice: In time or hunting season, why not use the drive to calibrate that scope you just bought?

So how did...

How did you end up destroying your data?

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Did You Destroy The Data?

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  • profile image

    Elric 3 years ago

    Heck yeah this is exaltcy what I needed.

  • profile image

    Marden 3 years ago

    It's a joy to find somonee who can think like that