Have you ever deleted any important data from your computer on accident? Data that has been deleted remains on the drive until it’s overwritten. This is due to the fact that when a file is deleted it’s reference is deleted from the Master File Table (MFT) which references all of the files on a particular drive. When the reference is deleted from the MFT the operating system knows there is now free space that can be used, but the actual data remains on the disk unless overwritten. We can use data recovery tools such as Foremost to read all the data on the drive and recover as much as possible.
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