Inc. magazine recently published an article stating that 34% of discarded hard disks contain either someone’s personal data or commercial data that a company would not want released. The study was conducted by purchasing random used hard disks and computers from EBay.
Many people believe that simply deleting files from a hard disk is sufficient. Unfortunately, this is not the case. When you delete a file from your hard disk the data is actually still present on the disk. The operating system just does not “see it” anymore.