We’ve covered securely erasing internal memory devices in-depth before, but in this post, we’ll be delving into how to tackle external devices. It’s a good idea to make sure you know how to securely erase external devices, like: Just as devices like your computer and phone are subject to data theft, so are your external storage devices. In any of these cases, you might need to ensure that sensitive data is completely wiped and cannot be recovered by any means. I'll update my answer if anybody can find the documentation on automating this.Need to free up space on an external storage device, or you want to get rid of some sensitive information? Perhaps you’re disposing of a device, selling it, or simply loaning it out. I wasn't able to find documentation on automating the process, and only saw systemreset -cleanpc mentioned.
You could also try the built in reset feature of Windows 10 in "recycle" mode which does a secure erase of the onboard storage. Command BitLocker to encrypt either used disk space or all disk space via the GUI or PowerShell, and once encrypted, your data is non-recoverable without the BitLocker key. You could probably build a WinPE environment that ran a powershell script to send ATA commands, but then you might as well use a bootable dban image instead.Ī solution you could automate using PowerShell from within Windows is BitLocker. No software running in normal Windows installations can pass ATA commands. However, Microsoft's AHCI driver blocks these commands unless you're running in a WinPE environment. The ATA "SECURE ERASE" and "SANITIZE" commands can be sent to the storage device controller and are usually your best technological bet for quickly and securely erasing an entire disk.
Unfortunately there is no easy Erase-Disk -Secure cmdlet. There are things you can do in PowerShell to effectively secure data on your disk, depending on your need to erase/dispose/recycle a drive.
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