How to securely erase any hard drive, SSD, flash drive, iPhone, iPad or Android device

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  • DBAN - Darik's Boot and Nuke

    DBAN - Darik's Boot and Nuke

    The default tool that most people who have the odd drive to erase turn to. I've used this tool to wipe thousands of drives and found it to be both thorough and very effective.

    While DBAN is an awesome tool, it's important to understand its limitations. Here is what the new owners of DBAN, Blancco Technology, have to say:

    "While DBAN is free to use, there's no guarantee of data removal. It cannot detect or erase SSDs and does not provide a certificate of data removal for auditing purposes or regulatory compliance. Hardware support (e.g. no RAID dismantling), customer support and software updates are not available using DBAN. Should you need to erase data from a SSD or require a certificate of data removal, request a free trial of Blancco Drive Eraser."

    Price: Free | More info/download

    Caption by: Adrian Kingsley-Hughes

  • Blancco Drive Eraser

    Blancco Drive Eraser

    The go-to tool for professional, certified, drive erasure.

    Guarantee your data has been erased from any drives, including complex SSDs in desktop/laptop computers, servers and storage environments with the most certified and patented data erasure solution.

    Includes advanced features such as:

    • Patented solid state drive (SSD) erasure (Patent No. 9286231).
    • Erases data permanently from multiple HDDs/SSDs simultaneously
    • Automates the hard drive wiping process to remove system BIOS free locks
    • Local and remote deployment
    • RAID dismantling and pass through
    • Identifies false positives during internal data erasure processes
    • Provides digitally signed certificate of proof of secure erasure for auditing
    • Compliant with state, federal and international data privacy regulations and guidelines, including ISO 27001 and ISO 27040

    Price: $18.46 per erasure | More info/download

    Caption by: Adrian Kingsley-Hughes

  • Blancco Mobile Device Eraser

    Blancco Mobile Device Eraser

    Blancco mobile and phone wiping software allows organizations, mobile service providers and resellers to permanently erase all data from smartphones and tablets running on iOS, Android, Windows Phone and BlackBerry operating systems.

    • Securely wipes iOS, Android, Windows Phone and BlackBerry operating systems
    • Quickly erases data on up to 50 mobile devices simultaneously
    • Automatically selects the fastest and most effective data erasure method
    • Provides digitally signed certificate of proof of data erasure for audit trail purposes
    • Compliant with state, federal and international data privacy regulations and guidelines, including ISO 27001 and ISO 27040

    Price: $13.52 per erasure | More info/download

    Caption by: Adrian Kingsley-Hughes

  • Free way to erase iOS and Android devices

    Free way to erase iOS and Android devices

    iOS and Android devices both have built-in tools to erase the devices.

    • On iOS: Settings > General > Reset and then tap Erase All Content and Settings.
    • On Android: Settings > Backup & reset > Factory data reset and then tap Reset phone or Reset device.

    You can also securely wipe the devices remotely using Find My iPhone for iOS or the Google Account associated with the Android device.

    Price: Free

    Caption by: Adrian Kingsley-Hughes

  • Wiebetech's Drive eRazer Ultra

    Wiebetech's Drive eRazer Ultra

    The WiebeTech Drive eRazer Ultra is a stand-alone device that completely and quickly cleans hard drives. Simply connect a drive to the Drive eRazer Ultra and it will sanitize the drive faster than using software, and without tying up your computer.

    The Drive eRazer Ultra leaves the drive ready for safe re-use, and comes with a dozen different preset erase procedures, including US Department of Defense graded methods for data wiping.

    Additional features:

    • Simple setup and operation with LCD and menu buttons
    • USB port for drive previewing and deletion confirmation
    • Serial label printer connector
    • Rugged aluminum construction
    • 3-year warranty
    • Free US-based customer support

    Price: $249 | More info/download

    Caption by: Adrian Kingsley-Hughes

  • Erase using manufacturer utilities

    Erase using manufacturer utilities

    Another way to erase SSDs is to use the manufacturer utilities. Here are some links to get you started.

    Price: Free

    Caption by: Adrian Kingsley-Hughes

  • Encrypt the whole drive

    Encrypt the whole drive

    One of the easiest ways is to encrypt the entire drive with a complex passphrase. You can use built-in tools such as BitLocker on Windows or FileVault on macOS, of a third-party tool such as or third-party VeraCrypt. Encrypt the drive with a strong throw-away passphrase and you're done.

    No passphrase, no data.

    You can then format the drive, from which point it should be sterile and ready to accept a reload of the data.

    Price: Free

    Caption by: Adrian Kingsley-Hughes

  • The hands-on method

    The hands-on method

    This method also works great if you just want to destroy drives before you take them to the recycling plant. It's also a great stress reducer!

    You will need:

    • A hammer (I use my trusty 32oz "fine adjustment" hammer)
    • A thick nail (a 6-inch nail will do fine)
    • Thick gloves - because you're going to be hammering that nail through the drive using the hammer, and hammers seem to be magnetically attracted to thumbs
    • A block of wood - so you don't nail the drive through your floor (it's preferable to do this outside if you can)
    • Eye protection - you've only got a maximum of two to start with, so it's silly to take chances!

    Now you apply brute force. Ideally you want to put a nail through the platters of the drive, going all the way through (it's actually not as hard as it sounds). I aim for the spot marked by the red X on hard drives.

    Alternatively you can use a power drill to make holes, but make sure that you have a way to securely hold the drive, for example, using a vice. Don't hold the drive in your hand because if the drill bit catches and the drive starts to spin - or helicopters - then there's a real risk of injury.

    Another thing to bear in mind is that the data in SSDs is held on small flash storage chips rather than large platters, and to securely erase the data you need to smash the chips. Usually, this means taking the cover off the drive before you start swinging.

    If you're not sure which are the flash storage chips, just drive a nail through all the large chips just to be on the safe side.

    Price: Free

    Caption by: Adrian Kingsley-Hughes

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Here's everything you need to know about securely wiping hard drives (HDDs), solid state drives (SSDs), flash drives, and even iOS and Android devices.

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DBAN - Darik's Boot and Nuke

The default tool that most people who have the odd drive to erase turn to. I've used this tool to wipe thousands of drives and found it to be both thorough and very effective.

While DBAN is an awesome tool, it's important to understand its limitations. Here is what the new owners of DBAN, Blancco Technology, have to say:

"While DBAN is free to use, there's no guarantee of data removal. It cannot detect or erase SSDs and does not provide a certificate of data removal for auditing purposes or regulatory compliance. Hardware support (e.g. no RAID dismantling), customer support and software updates are not available using DBAN. Should you need to erase data from a SSD or require a certificate of data removal, request a free trial of Blancco Drive Eraser."

Price: Free | More info/download

Caption by: Adrian Kingsley-Hughes

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