How this data is recorded onto a storage medium such as a hard drive is generally analogue in nature so values in between ‘zero’ and ‘one’ are possible. Recovering Shredded Dataĭata on a computer is stored as digital information meaning that the data is stored as either zeroes or ones. However, getting rid of your data completely is not quite as simple as that and it is still quite possible to recover it. If someone was to look at the raw data after this all they would see are values of zero instead of the original contents of the file. One of the most basic methods is to completely overwrite the file with bit values of zero. Enter The Shredder!įile shredders work by overwriting the file first before carrying out the actual delete. internet cache and personal documents) and because of this many employ a type of software known as a file shredder. People are becoming more aware of the sensitivity of certain files on their computer (e.g. This makes recovery of deleted data a relatively easy task and there are numerous tools available on the internet that can accomplish this. Looking at the raw data on a hard drive would reveal that the essence of the file is still there, at least until it is overwritten by new data. When a file is deleted, only the information that makes the file visible to the operating system is removed. This article was originally published in issue 51 of The Crypt Mag Introduction
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