True? Or legend? Here is Barry's response:īack in 1996, Peter Gutman, computer science professor at Auckland University in New Zealand, published a paper proposing how data could be recovered from hard disk or floppy disk sectors that had been overwritten. They will detect the traces of previous signals and rebuild the HDD's contents, even if deliberately overwritten several times.' Feher says Kuert Information Management is one firm capable of such a recovery. 'They will physically dismantle the hard drive in a clean room environment and use special probes to read the magnetism. He writes: 'Even if the files are overwritten with new data on the hard disk drive, such as the DDL case you mentioned in the article, it is still possible to recover the images,' he says, if you send it into a recovery lab that uses special equipment that can read the residual magnetism that exists around the edge of the track where the new data was written. Thomas Feher was one reader who challenged that statement.
