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Data deletion for files examined
Category: Data recovery
20 May, 2009
The BBC has carried out research to find out the best way to ensure data stored on hard disk drives is destroyed prior to a computer being recycled.Working alongside Kroll OnTrack, the BBC devised a test to check what method would provide the safest means of deletion of existing data from a drive.
By taking three identical drives and manually deleting the data from one, reformatting another and using data overwriting software on the third, the broadcaster was able to determine what is the safest method of disposal.
Results of the data recovery test showed that nearly all data could be recovered on the manually deleted drive, a high proportion could be retrieved from the formatted drive; however, none of the data could be recovered from the overwritten drive.
"Unless you wipe the drive with specialised software you are not going to remove the data on it," commented Rob Winter, chief technology officer at Kroll OnTrack.
Meanwhile, Network Computing recently reported that businesses should invest in data encryption in order to further protect any information archived or stored on business PCs.
